{"title":"CYLINDER HEADS","description":" ","products":[{"product_id":"head-assembly-110cc-52mm-28t","title":"Head Assembly 110cc 52mm - 28T","description":"\u003cspan style=\"font-weight: bold; font-size: 14pt;\"\u003eBRAND NEW - Complete 110cc Head Assembly\u003c\/span\u003e\u003cdiv\u003e\n\u003cspan style=\"font-size: 19px; font-weight: bold;\"\u003e\u003cspan style=\"text-decoration: underline; color: rgb(255, 0, 0);\"\u003eFREE - Head Gasket Set Included\u003c\/span\u003e\u003cbr\u003e\u003c\/span\u003e\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003eComes with Valves, Cam, Covers, and Caps for 110cc and 90cc 4-Stroke Engine ATVs, Go-Karts, Dirt Bikes, Mini-Choppers, and Motorcycles.\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003eSpecs\u003c\/div\u003e\n\u003cdiv\u003eIntake Port Diameter: 22mm\u003c\/div\u003e\n\u003cdiv\u003eExhaust Port Diameter: 20mm\u003c\/div\u003e\n\u003cdiv\u003eTiming Sprocket: 28T\u003c\/div\u003e\n\u003cdiv\u003eExhaust Stud Hole Size: M6-1.00\u003c\/div\u003e \u003c\/div\u003e ","brand":"United Express Distribution","offers":[{"title":"Default Title","offer_id":53091097313391,"sku":"HEAD-0001-U1","price":52.77,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/0368\/1391\/files\/HEAD-0001_01.jpg?v=1778732231"},{"product_id":"cylinder-head-50cc-scooter","title":"Cylinder Head, 50cc Scooter","description":"50cc Cylinder Head \u0026amp; Valve Assembly  GY6 \/ QMB139 4-Stroke Engines.\u003cdiv\u003eOur high quality parts are the exact replacement part for many Chinese manufactured brands and models of Chinese Mopeds and Scooters.\u003c\/div\u003e\u003cdiv\u003e\u003cul\u003e\n\u003cli\u003eExhaust Bolt Hole Spacing: 49.75mm\u003c\/li\u003e\n\u003cli\u003eIntake Bolt Hole Spacing: 44.75mm  \u003c\/li\u003e\n\u003cli\u003eIntake Valve OD: 18mm\u003c\/li\u003e\n\u003cli\u003eExhaust Valve OD: 16mm\u003c\/li\u003e\n\u003cli\u003eNot EGR\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e ","brand":"United Express Distribution","offers":[{"title":"Default Title","offer_id":53091101114479,"sku":"HEAD-0002-U1","price":32.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/0368\/1391\/files\/newnow.jpg?v=1778732251"},{"product_id":"cylinder-head-for-the-gy6-a-125-150cc-152qmi-152qmj-157qmi-157qmj-engine","title":"Cylinder Head for the GY6-A 125\/150cc 152QMI 152QMJ 157QMI 157QMJ engine.","description":"\u003ch3 align=\"left\" style=\"\"\u003e\u003c\/h3\u003e\u003cp style=\"font-size: 14px;\"\u003e\u003cspan style=\"font-family: Verdana; font-size: 10pt; font-weight: normal;\"\u003eComplete Cylinder Head for the GY6-A 125\/150cc 152QMI 152QMJ 157QMI 157QMJ engine. \u003c\/span\u003e\u003c\/p\u003e\u003cp style=\"font-size: 14px;\"\u003e\u003cspan style=\"font-family: Verdana; font-size: 10pt;\"\u003eDetails:\u003c\/span\u003e\u003c\/p\u003e\u003cul style=\"\"\u003e\n\u003cli style=\"\"\u003e\n\u003cspan style=\"font-weight: normal; font-size: 10pt; font-family: Verdana;\"\u003eFits GY6-A Engines. H\u003c\/span\u003e\u003cspan style=\"font-size: 10pt; font-family: Verdana; font-weight: normal;\"\u003eead Bolts (center to center) square: 54mm\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli style=\"\"\u003e\u003cspan style=\"font-size: 10pt; font-family: Verdana; font-weight: normal;\"\u003e57.4mm Non-EGR\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"\"\u003e\u003cspan style=\"font-family: Verdana; font-size: 10pt; font-weight: normal;\"\u003eIncludes: Cylinder Head with fully installed seals, seats, springs, studs and moly coated valves.  \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp style=\"font-size: 14px;\"\u003e\u003cspan style=\"font-family: Verdana; font-size: 10pt; font-weight: normal;\"\u003eThis head fits the Baja, JMstar, Jonway, Lance, NST, Peace, Roketa, Sunl, Tank, TNG, Tomos Nitro 50, Vento, VIP and many others.\u003c\/span\u003e\u003c\/p\u003e","brand":"United Express Distribution","offers":[{"title":"Default Title","offer_id":53091102490735,"sku":"HEAD-0003-U1","price":36.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/0368\/1391\/files\/head-0003_06.jpg?v=1778732267"},{"product_id":"cylinder-head-100cc-w-69mm-valves-for-gy6-50cc-scooter-big-bore-kit","title":"Cylinder Head, 100cc w\/ 69mm Valves for GY6 50cc Scooter Big Bore Kit","description":"\u003cdiv style=\"\"\u003e\u003cspan style='font-weight: bold; font-family: \"Market Sans\", Arial, sans-serif;'\u003eCylinder Head, 100cc w\/ 69mm Valves for GY6 50cc Scooter Big Bore Kit\u003c\/span\u003e\u003c\/div\u003e\u003cdiv style='font-family: \"Market Sans\", Arial, sans-serif;'\u003e\u003cspan style=\"font-weight: bold;\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\u003cdiv style='font-family: \"Market Sans\", Arial, sans-serif;'\u003e\u003cspan style=\"font-weight: bold;\"\u003eDetails:\u003c\/span\u003e\u003c\/div\u003e\u003cdiv style='font-family: \"Market Sans\", Arial, sans-serif;'\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cspan style=\"font-weight: bold;\"\u003eValve Length:\u003c\/span\u003e 69mm (2.7 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-weight: bold;\"\u003eExhaust Bolt Hole Spacing: \u003c\/span\u003e49.75mm (1.96 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-weight: bold;\"\u003eIntake Bolt Hole Spacing: \u003c\/span\u003e44.75mm (1.8 inches)\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e ","brand":"United Express Distribution","offers":[{"title":"Default Title","offer_id":53092022648943,"sku":"HEAD-1069-U1","price":43.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/0368\/1391\/files\/head-0869a.jpg?v=1778736021"},{"product_id":"80cc-cylinder-head-assembly-64mm-valves-for-gy6-47mm-big-bore-kit-compatible-with-139qmb-1p39qmb-qmb139-qmi139","title":"80cc Cylinder Head Assembly (64mm Valves) for GY6 47mm Big Bore Kit Compatible with 139QMB 1P39QMB QMB139 QMI139","description":"\u003cdiv\u003eUpgrade your scooter's engine with the \u003cspan style=\"font-weight: bold;\"\u003eRedCap 80cc Cylinder Head Assembly\u003c\/span\u003e (64mm Valves), a high-performance component designed to complement GY6 47mm Big Bore Kit 139QMB 1P39QMB engines. Engineered for increased power and efficiency, this cylinder head assembly enhances combustion, airflow, and overall engine response. Whether you're looking to boost acceleration, improve throttle response, or achieve a smoother ride, this premium replacement part delivers superior performance and durability. Built from high-quality materials, it ensures long-lasting reliability even under intense riding conditions, making it an excellent choice for scooters, mopeds, ATVs, and go-kart enthusiasts.\u003c\/div\u003e\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\u003cdiv\u003eDesigned as a direct replacement for Chinese 80cc-100cc engines, this cylinder head assembly features 64mm valves for optimal fuel combustion, along with precise intake and exhaust bolt hole spacing for secure installation. Whether you're upgrading an existing engine or replacing a worn-out component, this assembly is compatible with a wide range of QMB139 \/ QMI139 4-stroke engines, ensuring a hassle-free fit. With its precision engineering and superior performance enhancements, the RedCap 80cc Cylinder Head Assembly unlocks the true potential of your ride, giving you the power and responsiveness needed to dominate the road.\u003c\/div\u003e\u003cdiv\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-weight: bold;\"\u003eBullet Point:\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cspan style=\"font-weight: bold;\"\u003ePerformance:\u003c\/span\u003e Designed for 47mm big bore kits, this 80cc cylinder head assembly enhances airflow, combustion efficiency, and power output. The increased displacement results in noticeable improvements in acceleration, top speed, and overall engine performance, making it a must-have upgrade for riders seeking maximum efficiency.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-weight: bold;\"\u003ePrecision Engineered:\u003c\/span\u003e Featuring 64mm intake and exhaust valves, this assembly improves fuel combustion by allowing better air intake and exhaust gas expulsion. The enhanced airflow results in a smoother ride, improved throttle response, and greater fuel efficiency, giving your scooter or moped the power it needs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-weight: bold;\"\u003eDurable Construction:\u003c\/span\u003e Manufactured from high-quality materials and built to withstand extreme conditions, this cylinder head ensures long-term durability. Whether tackling city streets or high-speed cruising, it resists wear, heat, and mechanical stress, ensuring reliable performance over time without compromising engine integrity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-weight: bold;\"\u003eDirect Replacement Engines:\u003c\/span\u003e Designed as an exact fit for Chinese 80cc and 100cc engines, this head assembly seamlessly replaces worn-out or factory components. It is compatible with popular brands and models, including scooters, mopeds, ATVs, and go-karts, eliminating the need for modifications or complex installations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-weight: bold;\"\u003eEasy Installation:\u003c\/span\u003e With intake bolt-hole spacing of 44.75mm and exhaust bolt-hole spacing of 49.75mm, this head assembly offers a hassle-free installation process. Whether you're a DIY enthusiast or a professional mechanic, upgrading your engine is straightforward, allowing you to enhance your ride with minimal downtime.\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-weight: bold;\"\u003eSpecs:\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-weight: bold;\"\u003e64mm Valves\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\n\u003cspan style=\"font-weight: bold;\"\u003eIntake Bolt Hole Spacing:\u003c\/span\u003e 44.75mm\u003c\/div\u003e\u003cdiv\u003e\n\u003cspan style=\"font-weight: bold;\"\u003eExhaust Bolt Hole Spacing:\u003c\/span\u003e 49.75mm\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-weight: bold;\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-weight: bold;\"\u003eKnown to Fit: \u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cul\u003e\n\u003cli\u003eUpgraded 80cc Cylinder Head \u0026amp; Valve Assembly QMB139 \/ QMI139 4-Stroke Engines.\u003c\/li\u003e\n\u003cli\u003eExact replacement part for many Chinese-manufactured brands and models of Chinese Mopeds and Scooters. \u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\u003cdiv\u003e\n\u003cspan style=\"font-weight: bold;\"\u003eNOTE:\u003c\/span\u003e Check out the detailed pictures to see if this will fit your vehicle.\u003c\/div\u003e ","brand":"United Express Distribution","offers":[{"title":"Default Title","offer_id":53092027072623,"sku":"HEAD-0864-U1","price":33.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/0368\/1391\/files\/head-0864_01.jpg?v=1778736039"},{"product_id":"80cc-head-assembly-69mm-for-scooter-big-bore-kit","title":"80cc Head Assembly (69mm) for Scooter Big Bore Kit","description":"Upgraded 80cc Cylinder Head \u0026amp; Valve Assembly QMB139 \/ QMI139 4-Stroke Engines.\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e ","brand":"United Express Distribution","offers":[{"title":"Default Title","offer_id":53092031397999,"sku":"HEAD-0869-U1","price":33.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/0368\/1391\/files\/head-0869a_17e6ad50-97b7-44d1-8e1c-cfd43ce08884.jpg?v=1778736055"},{"product_id":"head-cover-slant-2-stroke-bike-engine-kit","title":"Head Cover, Slant 2-Stroke, Bike Engine Kit","description":"80cc Slant Head Cover","brand":"United Express Distribution","offers":[{"title":"Default Title","offer_id":53092144087151,"sku":"HEAD-0080-U1","price":13.17,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/0368\/1391\/files\/head-0080a.jpg?v=1778738592"},{"product_id":"60cc-head-assembly-64mm-for-scooter-big-bore-kit","title":"60cc Head Assembly (64mm) for Scooter Big Bore Kit","description":"\u003cp\u003e\u003cstrong\u003eUpgraded 60cc Cylinder Head \u0026amp; Valve Assembly QMB139 \/ QMI139 4-Stroke Engines.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecs:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eValve length: 64mm\u003c\/li\u003e\n\u003cli\u003eExhaust valve is diameter 16mm\u003c\/li\u003e\n\u003cli\u003eIntake valve is diameter 18mm\u003c\/li\u003e\n\u003cli\u003eIntake Bolt Hole Spacing: 44.75mm\u003c\/li\u003e\n\u003cli\u003eExhaust Bolt Hole Spacing: 49.75mm\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eKnown to Fit: \u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eQMB139 \/ QMI139 4-Stroke Engines.\u003c\/li\u003e\u003c\/ul\u003e","brand":"United Express Distribution","offers":[{"title":"Default Title","offer_id":53092147101807,"sku":"HEAD-0664-U1","price":32.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/0368\/1391\/files\/head-0869a_9ad5950a-b60e-4e99-8f69-ea4e96d0bc78.jpg?v=1778738981"},{"product_id":"100cc-head-assembly-64mm-for-scooter-big-bore-kit","title":"100cc Head Assembly (64mm) for Scooter Big Bore Kit","description":"\u003cdiv style='font-family: \"Market Sans\", Arial, sans-serif;'\u003eUpgrade your scooter’s performance with the \u003cspan style=\"font-weight: bold;\"\u003e100cc Big Bore Kit featuring 64mm valves\u003c\/span\u003e, engineered specifically for GY6 139QMB engines. This high-performance cylinder head assembly is designed to deliver a significant increase in power, torque, and overall engine efficiency. With precision-machined 64mm valves and a larger displacement, this kit ensures enhanced airflow and optimized combustion, resulting in quicker acceleration and a higher top-end speed. Whether you're commuting through city streets or cruising on open roads, this upgrade transforms your ride into a powerful, responsive machine.\u003c\/div\u003e\u003cdiv style='font-family: \"Market Sans\", Arial, sans-serif;'\u003e\u003cbr\u003e\u003c\/div\u003e\u003cdiv style='font-family: \"Market Sans\", Arial, sans-serif;'\u003eBuilt for durability and reliability, the 100cc Big Bore Kit is crafted from premium materials and manufactured to meet stringent quality standards. Its robust design withstands high-performance demands while ensuring a long service life. The bolt-on design allows for easy installation, making it perfect for DIY enthusiasts or professional mechanics looking for a dependable performance boost. Compatible with a wide range of Chinese-made scooters and mopeds running QMB139\/QMI139 4-stroke engines, this upgrade is your ticket to a more thrilling and dynamic riding experience.\u003c\/div\u003e\u003cdiv style='font-family: \"Market Sans\", Arial, sans-serif;'\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cspan style=\"font-weight: bold;\"\u003ePerfect Fit: \u003c\/span\u003eOutfitted with oversized 64mm valves, 18mm intake and 16mm exhaust, this cylinder head allows superior air\/fuel intake and exhaust flow. The enhanced combustion efficiency translates to smoother throttle response, more complete fuel burn, and improved fuel economy, even while delivering enhanced power output.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-weight: bold;\"\u003eWide Compatibility:\u003c\/span\u003e Compatible with a wide variety of Chinese-manufactured 50cc to 100cc mopeds and scooters, including brands like TaoTao, Jonway, Peace Sports, and more. Whether you're upgrading an old ride or building a custom scooter, this performance cylinder head ensures a reliable fit and optimized performance across the board.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-weight: bold;\"\u003eMassive Power: \u003c\/span\u003eExperience an instant surge in engine performance with this 100cc Big Bore Kit. Designed to significantly increase displacement from standard 50cc\/80cc engines, this kit provides a dramatic improvement in torque and horsepower, allowing faster acceleration and a noticeable boost in top-end speed for GY6 139QMB scooters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-weight: bold;\"\u003eDurable Construction: \u003c\/span\u003eManufactured with premium-grade materials, this cylinder head and valve assembly ensures long-lasting durability under high-heat and high-RPM conditions. The robust build quality is ideal for performance riders, daily commuters, and anyone looking for a reliable upgrade that can withstand extended use without compromise.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-weight: bold;\"\u003eEasy Installation: \u003c\/span\u003eThis big bore kit is designed as a direct bolt-on replacement for QMB139\/QMI139 4-stroke engines with compatible intake (44.75mm) and exhaust (49.75mm) bolt hole spacing. Its user-friendly design makes installation straightforward for DIY users and professionals alike, no complex modifications required.\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e\u003cdiv style='font-family: \"Market Sans\", Arial, sans-serif;'\u003e\u003cspan style=\"font-weight: bold;\"\u003eSpecs:\u003c\/span\u003e\u003c\/div\u003e\u003cdiv style='font-family: \"Market Sans\", Arial, sans-serif;'\u003e\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-weight: bold;\"\u003e64mm Valves\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-weight: bold;\"\u003eIntake Bolt Hole Spacing: \u003c\/span\u003e44.75mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-weight: bold;\"\u003eExhaust Bolt Hole Spacing:\u003c\/span\u003e 49.75mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-weight: bold;\"\u003eIntake Valve Diameter: \u003c\/span\u003e18mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-weight: bold;\"\u003eExhaust Valve Diameter:\u003c\/span\u003e 16mm\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e\u003cdiv style='font-family: \"Market Sans\", Arial, sans-serif;'\u003e\n\u003cspan style=\"font-weight: bold;\"\u003eKnown to Fit: \u003c\/span\u003e\u003cul\u003e\n\u003cli\u003eUpgraded 100cc Cylinder Head \u0026amp; Valve Assembly QMB139 \/ QMI139 4-Stroke Engines.\u003c\/li\u003e\n\u003cli\u003eExact replacement part for many Chinese-manufactured brands and models of Chinese Mopeds and Scooters. \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e ","brand":"United Express Distribution","offers":[{"title":"Default Title","offer_id":53092148740207,"sku":"HEAD-1064-U1","price":33.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/0368\/1391\/files\/head-0869a_43394df7-af52-49c8-99be-c160975afecd.jpg?v=1778739064"},{"product_id":"head-assembly-110cc","title":"Head Assembly 110cc","description":"\u003cdiv\u003e\n\u003cspan style=\"font-weight: bold;\"\u003eBRAND NEW - Complete 110cc Head Assembly\u003c\/span\u003e\u003cdiv\u003e\u003cspan style=\"font-size: 19px; font-weight: bold;\"\u003e\u003cspan style=\"text-decoration: underline; color: rgb(255, 0, 0);\"\u003eFREE - Head Gasket Set Included\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\u003cdiv\u003eComes with Valves, Cam, Covers, and Caps   for 110cc and 90cc 4-Stroke Engine ATVs, Go-Karts, Dirt Bikes, Mini-Choppers, and Motorcycles.\u003c\/div\u003e\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\u003cdiv\u003eSpecs\u003c\/div\u003e\u003cdiv\u003eIntake Port Diameter: 23mm\u003c\/div\u003e\u003cdiv\u003eExhaust Port Diameter: 20mm \u003c\/div\u003e\u003cdiv\u003eExhaust Stud Hole Size: M8-1.25\u003c\/div\u003e ","brand":"United Express Distribution","offers":[{"title":"Default Title","offer_id":53092161585263,"sku":"HEAD-0011-U1","price":52.77,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/0368\/1391\/files\/HEAD-0011a.jpg?v=1778739536"},{"product_id":"studs-intake-and-exhaust-for-gy6-50cc-to-150cc","title":"Studs, Intake and Exhaust for GY6 50cc to 150cc","description":"Studs, Intake and Exhaust for GY6 50cc to 150cc    ","brand":"United Express Distribution","offers":[{"title":"Default Title","offer_id":53092161683567,"sku":"STUD-0100","price":3.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/0368\/1391\/files\/STUD-0100a.jpg?v=1778739587"},{"product_id":"head-assembly-50cc-atv-dirt-bike","title":"Head Assembly 50cc ATV\/Dirt Bike","description":"Head Assembly 50cc ATV\/Dirt Bike","brand":"United Express Distribution","offers":[{"title":"Default Title","offer_id":53092241047663,"sku":"HEAD-0050-U1","price":52.77,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/0368\/1391\/files\/HEAD-0050_01.jpg?v=1778743034"},{"product_id":"head-assembly-70cc-atv-dirt-bike","title":"Head Assembly 70cc ATV\/Dirt Bike","description":"Head Assembly 70cc ATV\/Dirt Bike","brand":"United Express Distribution","offers":[{"title":"Default Title","offer_id":53092241342575,"sku":"HEAD-0070-U1","price":39.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/0368\/1391\/files\/HEAD-0070_05.jpg?v=1778743090"},{"product_id":"head-assembly-90cc-atv-dirt-bike","title":"Head Assembly 90cc ATV\/Dirt Bike","description":"Head Assembly 90cc ATV\/Dirt Bike","brand":"United Express Distribution","offers":[{"title":"Default Title","offer_id":53092242227311,"sku":"HEAD-0090-U1","price":43.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/0368\/1391\/files\/HEAD-0090_04.jpg?v=1778743106"},{"product_id":"head-assembly-125cc-dirt-bike-32t","title":"Head Assembly 125cc Dirt Bike - 32T","description":"\u003cp\u003e\u003cstrong\u003e54mm Head Assembly - 125cc ATV Dirt Pit Bike Apollo CRF Lifan\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eIntake Port is 26mm\u003c\/li\u003e\n\u003cli\u003eIntake Valve is 28mm\u003c\/li\u003e\n\u003cli\u003eExhaust Valve is 23mm\u003c\/li\u003e\n\u003cli\u003eCylinder bore diameter: 54mm (2.12\")\u003c\/li\u003e\n\u003cli\u003eBolt hole spacing: 1.97\" (50mm), 1.89\" (48mm)\u003c\/li\u003e\n\u003cli\u003eExhaust Bolt spacing: 1.81\" (46mm)\u003c\/li\u003e\n\u003cli\u003eIntake bolt spacing: 1.81\" (46mm)\u003c\/li\u003e\n\u003cli\u003eTiming Sprocket: 32T\u003c\/li\u003e\n\u003cli\u003eCompare your original to 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text-align: left; list-style: disc;\"\u003eOverall Length: 32mm\u003c\/li\u003e\n\u003c\/ul\u003e ","brand":"United Express Distribution","offers":[{"title":"Default Title","offer_id":53092270178415,"sku":"NUTMFLR-6-U1","price":8.77,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/0368\/1391\/files\/nutmflr-6_stud-0110_01.jpg?v=1778745382"},{"product_id":"studs-intake-and-exhaust-for-gy6","title":"Studs, Intake and Exhaust for GY6","description":"Inside Diameter: 35mm (1.37\")","brand":"United Express Distribution","offers":[{"title":"Default Title","offer_id":53092369367151,"sku":"STUD-0100-U1","price":3.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/0368\/1391\/files\/STUD-0100a_d1b20a91-0573-44e0-af4e-24508e471468.jpg?v=1778747411"},{"product_id":"stud-exhaust-50cc-150cc-head-for-gy6-engine-atv","title":"Stud, Exhaust,50cc-150cc Head for GY6 Engine ATV","description":"Stud, 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These motors are commonly found on street-legal scooters, ATVs, Dune Buggies, Go-Karts and much more.\u003c\/h2\u003e\u003ch2\u003e\n\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003cbr\u003eIntake Port Diameter: 27.75mm\u003cbr\u003eExhaust Port Diameter: 27mm\u003c\/h2\u003e\u003ch2\u003e\n\u003cstrong\u003eSupported Models:\u003c\/strong\u003e\u003cbr\u003e250cc 172mm 4-stroke, Boreem (BMS), CFmoto V3\/V5, Honda, Kazuma, Roketa, SUNL, Tank, Various unlisted makes\/models\u003c\/h2\u003e ","brand":"United Express Distribution","offers":[{"title":"Default Title","offer_id":53092747444335,"sku":"PUM-BN172MM0200001","price":87.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/0368\/1391\/files\/PUM-BN172MM0200001.jpg?v=1778756341"},{"product_id":"gy6-50cc-cylinder-head-studs-176mm-and-168mm-set-of-4-pieces","title":"GY6 50cc Cylinder Head Studs 176mm and 168mm set of 4 pieces","description":"\u003cp\u003eGY6 50cc Cylinder Head Studs 76mm and 168mm set of 4 pieces\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003cbr\u003eOverall Length: 176mm and 168mm\u003cbr\u003eThread Size: M7x1.00\u003cbr\u003eThread Lengths: 18mm \u0026amp; 14mm\u003c\/p\u003e\u003cstrong\u003eIncludes:\u003c\/strong\u003e\u003cbr\u003e2 studs at 176mm (overall length)\u003cdiv\u003e2 studs at 168mm (overall length)\u003c\/div\u003e\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSupported Models:\u003c\/strong\u003e\u003cbr\u003eQMB139 50cc\/49cc , Various unlisted makes\/models\u003c\/p\u003e\n\u003cli\u003eSize: 2 x M7 x 168mm, 2 x M7 x 176mm\u003c\/li\u003e \u003c\/div\u003e ","brand":"United Express Distribution","offers":[{"title":"Default Title","offer_id":53092772970607,"sku":"PUM-50-0212","price":12.07,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/0368\/1391\/files\/PUM-50-0212_01_2927b1c9-83ce-4714-a2ae-029c3ebf7945.jpg?v=1778756807"},{"product_id":"cylinder-locating-dowel-pin-10x20-125cc-gy6-qmi152-157-and-150cc-qmj152-157-engines","title":"Cylinder Locating Dowel Pin 10x20, 125cc GY6 QMI152\/157 and 150cc QMJ152\/157 Engines","description":"\u003cdiv\u003e\u003cstrong\u003eDescription\u003c\/strong\u003e\u003c\/div\u003e \u003cdiv\u003e19.5 mm long cylinder dowel pin for125cc GY6 QMI152\/157 and 150cc QMJ152\/157 Engines. Cylinder dowel pin, also known as a locating pin, are used to align the cylinder head when installing it on the crankcase.\u003cbr\u003e \u003cbr\u003e Please check the dimensions on the Specs tab to see if this is the correct cylinder dowel pin for your Chinese built125cc 150cc engine.\u003c\/div\u003e \u003cdiv\u003e \u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e \u003cdiv\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 19.5 mm\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOuter Diameter:\u003c\/strong\u003e 10 mm\u003c\/li\u003e \u003c\/ul\u003e \u003c\/div\u003e \u003c\/div\u003e \u003cdiv\u003e \u003cp\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/p\u003e \u003cdiv\u003e \u003cul\u003e \u003cli\u003eJonway YY125QT-21\u003c\/li\u003e \u003cli\u003eJonway YY125T\u003c\/li\u003e \u003cli\u003eJonway YY125T-2\u003c\/li\u003e \u003cli\u003eJonway YY125T-2A\u003c\/li\u003e \u003cli\u003eJonway YY125T-3\u003c\/li\u003e \u003cli\u003eJonway YY125T-4\u003c\/li\u003e \u003cli\u003eJonway YY125T-8\u003c\/li\u003e \u003cli\u003eJonway YY125T-10\u003c\/li\u003e \u003cli\u003eJonway YY125T-12\u003c\/li\u003e \u003cli\u003eJonway YY125T-28\u003c\/li\u003e \u003cli\u003eJonway YY125T-29\u003c\/li\u003e \u003cli\u003eJonway YY150\u003c\/li\u003e \u003cli\u003eJonway YY150-1\u003c\/li\u003e \u003cli\u003eJonway YY150-2\u003c\/li\u003e \u003cli\u003eJonway YY150-5\u003c\/li\u003e \u003cli\u003eJonway YY150T\u003c\/li\u003e \u003cli\u003eJonway YY150T-2\u003c\/li\u003e \u003cli\u003eJonway YY150T-2A\u003c\/li\u003e \u003cli\u003eJonway YY150T-3\u003c\/li\u003e \u003cli\u003eJonway YY150T-4\u003c\/li\u003e \u003cli\u003eJonway YY150T-8\u003c\/li\u003e \u003cli\u003eJonway YY150T-10\u003c\/li\u003e \u003cli\u003eJonway YY150T-12\u003c\/li\u003e \u003cli\u003eJonway YY150T-29\u003c\/li\u003e \u003c\/ul\u003e \u003c\/div\u003e \u003c\/div\u003e ","brand":"United Express Distribution","offers":[{"title":"Default Title","offer_id":53092867932271,"sku":"HEAD-0820","price":5.47,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/0368\/1391\/files\/HEAD-0814_01_55af71fd-be29-4b2e-97d8-93582d49447f.jpg?v=1778758850"},{"product_id":"cylinder-head-125cc-version-xy125-with-small-timing-sprocket-28t-3-bolt-for-atv-dirt-bike","title":"Cylinder Head 125cc - Version XY125  with small timing sprocket 28T - 3 bolt for ATV\/Dirt Bike","description":"\u003cp\u003e\u003cstrong\u003e52.4mm Head Assembly for 125cc ATV Dirt Pit Bike Apollo CRF Lifan\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCylinder bore diameter: 52.4mm\u003c\/li\u003e\n\u003cli\u003eBolt hole spacing: 1.97\" (50mm), 1.89\" (48mm)\u003c\/li\u003e\n\u003cli\u003eExhaust Bolt spacing: 1.81\" (46mm)\u003c\/li\u003e\n\u003cli\u003eIntake bolt spacing: 1.81\" (46mm)\u003c\/li\u003e\n\u003cli\u003eTiming Sprocket: 28T \u003c\/li\u003e\n\u003cli\u003eCompare your original to pictures and dimensions\u003c\/li\u003e\n\u003c\/ul\u003e\u003cdiv\u003eFor the head with 32T timing sprocket please view \u003ca href=\"product.asp?itemid=996\"\u003eHead-0125\u003c\/a\u003e\n\u003c\/div\u003e ","brand":"United Express Distribution","offers":[{"title":"Default Title","offer_id":53092957356143,"sku":"HEAD-0126","price":87.97,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/0368\/1391\/files\/HEAD-0126_01.jpg?v=1778761598"},{"product_id":"80cc-head-assembly-64mm-egr-for-gy6-engine-scooter","title":"80cc Head Assembly (64mm) EGR for GY6 Engine Scooter","description":"50cc Cylinder Head \u0026amp; Valve Assembly with 69mm Valves QMB139 \/ QMI139 4-Stroke Engines.\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e ","brand":"United Express Distribution","offers":[{"title":"Default Title","offer_id":53093181554799,"sku":"HEAD-0203","price":33.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/0368\/1391\/files\/head-0869a_a1714f9b-09ce-42f5-a9d8-7406fc90ffdc.jpg?v=1778766067"},{"product_id":"head-assembly-110cc-125cc-atv-32t","title":"Head Assembly 110cc 125cc ATV  - 32T","description":"\u003cp\u003e\u003cstrong\u003e52mm Head Assembly - 125cc ATV\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eIntake Valve is 23mm\u003c\/li\u003e\n\u003cli\u003eExhaust Valve is 20mm\u003c\/li\u003e\n\u003cli\u003eCylinder bore diameter: 52mm\u003c\/li\u003e\n\u003cli\u003eRocker\/valve side Mounting Holes -Timing chain side: 48.5mm [+\/- 0.5mm]\u003c\/li\u003e\n\u003cli\u003eRocker\/valve side Mounting Holes - Plug side: 46mm [+\/- 0.5mm]\u003c\/li\u003e\n\u003cli\u003eRocker\/valve side Mounting Holes - From timing side to plug side 50mm [+\/-0.5mm]\u003c\/li\u003e\n\u003cli\u003eCovers are included \u003c\/li\u003e\n\u003cli\u003eExhaust Bolt spacing: 1.81\" (46mm)\u003c\/li\u003e\n\u003cli\u003eIntake bolt spacing: 1.81\" (46mm)\u003c\/li\u003e\n\u003cli\u003eTiming Sprocket: 32T\u003c\/li\u003e\n\u003cli\u003eCompare your original to pictures and dimensions\u003c\/li\u003e\n\u003c\/ul\u003e\u003cdiv\u003eFor Gaskets order \u003ca href=\"product.asp?itemid=280\"\u003eGSKT-0006\u003c\/a\u003e\n\u003c\/div\u003e\u003cdiv\u003eIf you need the 28T Head click \u003ca href=\"https:\/\/unitedexpressdist.3dcartstores.com\/product.asp?itemid=2392\"\u003eHEAD-0126\u003c\/a\u003e\n\u003c\/div\u003e ","brand":"United Express Distribution","offers":[{"title":"Default Title","offer_id":53093284446319,"sku":"HEAD-0124","price":65.97,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/0368\/1391\/files\/HEAD-0124_01.jpg?v=1778768713"},{"product_id":"61mm-big-bore-cylinder-head-assembly-gy6-169cc-200cc-57mm-stud-spacing-type-k-block-2-bolt-valve-cover","title":"61mm Big Bore Cylinder Head Assembly GY6 169cc 200cc 57mm Stud Spacing Type K-Block 2-Bolt Valve cover","description":"\u003cp\u003e\u003cspan style=\"font-weight: bold;\"\u003e170cc GY6 K-Block 61mm Big Bore Cylinder Head Assembly for \u003c\/span\u003e\u003cspan style=\"font-weight: bold;\"\u003e169cc \u0026amp; 200cc Engines With 57mm Stud Spacing \u003c\/span\u003e\u003c\/p\u003e\u003cp\u003eTYPE K-BLOCK VALVE \/ CYLINDER HEAD COVER (NOT FOR B-BLOCK)\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-weight: bold;\"\u003eMain Features and Benefits:\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003eThis K-Block design 170cc GY6 61mm Big Bore Cylinder Head Assembly is for GY6 169cc and 200cc engines with 57mm stud spacing.\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-weight: bold;\"\u003eKey Features:\u003c\/span\u003e \u003cspan style=\"font-weight: bold;\"\u003eFeatures:\u003c\/span\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eK-Block Engine Cylinder Head with super quality.\u003c\/li\u003e\n\u003cli\u003eThe piston bore diameter is 61mm, which perfectly replaces your old or damaged one.\u003c\/li\u003e\n\u003cli\u003eAssist in improving the thermal efficiency, supporting the piston, and reducing friction and leakage.\u003c\/li\u003e\n\u003cli\u003eMade from premium aluminum alloy material, it is durable and reliable.\u003c\/li\u003e\n\u003cli\u003eComes with a complete cylinder kit, easy to install, fit for GY6 170cc 200cc engines.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cspan style=\"font-weight: bold;\"\u003eDetails:\u003c\/span\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePiston Bore Diameter: 61mm\u003c\/li\u003e\n\u003cli\u003eStud Spacing: 57mm\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cspan style=\"font-weight: bold;\"\u003eKnown to Fit:\u003c\/span\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eEngine LF161QMK, TANK 200, TaoTao Bull 200\u003c\/li\u003e\n\u003cli\u003eTank 200, Clash 200 Scooter\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cspan style=\"font-weight: bold;\"\u003ePackage Includes:\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e1 - Cylinder Head with Valves installed\u003c\/p\u003e","brand":"United Express Distribution","offers":[{"title":"Default Title","offer_id":53093401722991,"sku":"HEAD-0171","price":64.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/0368\/1391\/files\/HEAD-0171_10.jpg?v=1778770669"},{"product_id":"61mm-cylinder-head-assembly-for-jonway-gtx-250-efi-xmt-250-efi-manual-6-speed-motorcycle","title":"61mm Cylinder Head Assembly for Jonway GTX 250 EFI XMT 250 EFI Manual 6-Speed Motorcycle","description":"\u003cdiv\u003eElevate your motorcycle's performance with the \u003cspan style=\"font-weight: bold;\"\u003eRedCap GTX 250 EFI  \u003c\/span\u003e\u003cspan style=\"font-weight: bold;\"\u003eXMT 250 EFI \u003c\/span\u003e\u003cspan style=\"font-weight: bold;\"\u003eCylinder Head Assembly.\u003c\/span\u003e Crafted with a robust metal build, this assembly weighs 4.02kg, ensuring durability without compromising on quality. Ideal for Jonway Manual 6-Speed Motorcycles, it's designed for reliability and longevity. Upgrade your ride with confidence, as the RedCap Cylinder Head Assembly promises optimal performance, reliability, and a perfect fit for your Jonway GTX 250 EFI manual 6-speed motorcycle. Experience the durability and high-quality craftsmanship that RedCap is known for in the world of motorcycle accessories.\u003c\/div\u003e\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cdiv\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cspan style=\"font-weight: bold;\"\u003eEnhanced Performance:\u003c\/span\u003e RedCap Cylinder Head Assembly for Jonway GTX 250 EFI XMT 250 EFI ensures a performance boost for your manual 6-speed motorcycle, delivering optimal power and efficiency.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-weight: bold;\"\u003eRobust Metal Build:\u003c\/span\u003e Crafted with a robust metal construction, this assembly provides durability and strength, guaranteeing reliable performance even in demanding riding conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-weight: bold;\"\u003eOptimal Weight: \u003c\/span\u003eWeighing just 4.02kg, the cylinder head assembly strikes a balance between sturdiness and lightweight design, contributing to your motorcycle's overall performance and handling.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-weight: bold;\"\u003eHigh-Quality Materials:\u003c\/span\u003e Made of premium materials, this assembly ensures quality and longevity, offering durable use and a long service life for sustained performance over the years.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-weight: bold;\"\u003ePerfect Fit: \u003c\/span\u003eTailored specifically for Jonway GTX 250 EFI manual 6-speed motorcycles, this cylinder head assembly is a perfect fit, designed to seamlessly integrate and enhance your bike's functionality.\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e\u003c\/div\u003e ","brand":"United Express Distribution","offers":[{"title":"Default Title","offer_id":53093520605295,"sku":"HEAD-0191","price":199.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/0368\/1391\/files\/HEAD-0191_01.jpg?v=1778772456"},{"product_id":"52-4mm-bore-cylinder-head-for-4-stroke-110cc-90cc-atv-dirt-bike-go-kart-engine","title":"52.4mm Bore Cylinder Head for 4-Stroke 110cc 90cc ATV Dirt Bike Go Kart Engine","description":"\u003cdiv style='font-family: \"Market Sans\", Arial, sans-serif;'\u003eUpgrade your engine’s performance with the \u003cspan style=\"font-weight: bold;\"\u003eRedCap Complete Cylinder Head\u003c\/span\u003e, designed for 90cc and 110cc 4-stroke engines. This brand-new assembly includes pre-installed valves, camshaft, covers, and caps, ready for immediate installation. With a 52.4mm bore size, it ensures optimal combustion efficiency and smooth engine operation. Whether you're riding ATVs, go-karts, dirt bikes, mini-choppers, or motorcycles, this complete cylinder head is engineered for reliability and built to handle rugged use.\u003c\/div\u003e\u003cdiv style='font-family: \"Market Sans\", Arial, sans-serif;'\u003e\u003cbr\u003e\u003c\/div\u003e\u003cdiv style='font-family: \"Market Sans\", Arial, sans-serif;'\u003eFeaturing a 23mm intake port and 20mm exhaust port, this head delivers improved airflow and combustion, enhancing overall power output and throttle response. Built to fit a wide range of Chinese engines, including brands like TaoTao, Roketa, Coolster, Sunl, Kazuma, Lifan, Zongshen, and many more, this component is ideal for replacing worn-out or damaged heads. Precision-machined and constructed from high-grade materials, it ensures long-lasting durability and performance in any off-road or on-road condition.\u003c\/div\u003e\u003cdiv style='font-family: \"Market Sans\", Arial, sans-serif;'\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cspan style=\"font-weight: bold;\"\u003eComplete Cylinder Head Kit:\u003c\/span\u003e The RedCap Complete Cylinder Head includes everything you need: valves, camshaft, covers, caps, and even a free head gasket set for a smooth and efficient installation. It’s a full assembly replacement that saves time, ensures compatibility, and revives your 4-stroke 110cc or 90cc engine with minimal hassle.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-weight: bold;\"\u003eCompatible with: \u003c\/span\u003eThis cylinder head fits a wide variety of Chinese ATVs, Dirt Bikes, and Go-Karts including TaoTao, Roketa, Coolster, Sunl, Kazuma, Lifan, Ice Bear, and many more. Whether you're replacing a damaged part or upgrading for better performance, RedCap offers the quality and compatibility you can trust.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-weight: bold;\"\u003ePrecision Fit: \u003c\/span\u003eKey specifications include a 22mm intake port, 20mm exhaust port, 28T timing sprocket, and M6-1.00 exhaust stud holes. These precise dimensions ensure a direct OEM-style fit for most 50cc-125cc Chinese-made engines and simplify the installation process without the need for modifications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-weight: bold;\"\u003eBoost Engine Performance: \u003c\/span\u003eDesigned to deliver powerful upgrades to your engine’s performance, this 52.4mm bore cylinder head enhances combustion, supports better oil efficiency, and improves heat dissipation. Expect a stronger throttle response, improved RPM stability, and long-term durability whether off-roading or cruising.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-weight: bold;\"\u003ePremium-Quality: \u003c\/span\u003eConstructed from high-grade alloy materials, this RedCap cylinder head offers excellent corrosion and wear resistance. Its heavy-duty structure is built to withstand extreme operating conditions, delivering consistent reliability for your ATV, Go-Kart, Dirt Bike, Mini-Chopper, or motorcycle.\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e\u003cdiv style='font-family: \"Market Sans\", Arial, sans-serif;'\u003e\u003cspan style=\"font-weight: bold;\"\u003eSpecification:\u003c\/span\u003e\u003c\/div\u003e\u003cdiv style='font-family: \"Market Sans\", Arial, sans-serif;'\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cspan style=\"font-weight: bold;\"\u003eIntake Port Diameter:\u003c\/span\u003e 22mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-weight: bold;\"\u003eExhaust Port Diameter: \u003c\/span\u003e20mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-weight: bold;\"\u003eTiming Sprocket: \u003c\/span\u003e28T\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-weight: bold;\"\u003eExhaust Stud Hole Size: \u003c\/span\u003eM6-1.00\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e\u003cdiv style='font-family: \"Market Sans\", Arial, sans-serif;'\u003e\u003cspan style=\"font-weight: bold;\"\u003eKnow to Fit:\u003c\/span\u003e\u003c\/div\u003e\u003cdiv style='font-family: \"Market Sans\", Arial, sans-serif;'\u003e\u003cul\u003e\u003cli\u003eFor Chinese 110cc and 90cc 4-Stroke Engine ATVs, Go-Karts, Dirt Bikes, Mini-Choppers, and Motorcycles\u003c\/li\u003e\u003c\/ul\u003e\u003c\/div\u003e\u003cdiv style='font-family: \"Market Sans\", Arial, sans-serif;'\u003e\n\u003cspan style=\"font-weight: bold;\"\u003eNOTE:\u003c\/span\u003e Before buying, please check the size and model.Avoid buying wrong parts.\u003c\/div\u003e ","brand":"United Express Distribution","offers":[{"title":"Default Title","offer_id":53093613731951,"sku":"HEAD-0001","price":52.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/0368\/1391\/files\/HEAD-0001_01_55506171-1dcc-4080-9d61-457d75e0cbf1.jpg?v=1778774750"},{"product_id":"cylinder-head-62mm-for-200cc-gy6-efi-engine-b-block","title":"Cylinder Head 62mm for 200cc GY6 EFI Engine - B Block","description":"\u003cdiv style='font-family: \"Market Sans\", Arial, sans-serif;'\u003eThe \u003cspan style=\"font-weight: bold;\"\u003eRedCap 170cc GY6 62mm Big Bore Cylinder Head Assembly\u003c\/span\u003e is engineered for GY6 169cc and 200cc engines with 57mm stud spacing. Designed with a B-Block valve, this high-quality cylinder head assembly offers superior performance for 170cc, 180cc, and 200cc engines, including those found in popular models like the TaoTao Bull 200 and TANK 200. The 62mm piston bore diameter ensures a precise fit and enhances combustion efficiency, improving engine power and performance. This assembly helps reduce friction and leakage, supporting the piston while improving thermal efficiency, making it an ideal upgrade for both everyday use and high-performance demands.\u003c\/div\u003e\u003cdiv style='font-family: \"Market Sans\", Arial, sans-serif;'\u003e\u003cbr\u003e\u003c\/div\u003e\u003cdiv style='font-family: \"Market Sans\", Arial, sans-serif;'\u003eCrafted from premium aluminum alloy, this durable cylinder head assembly is built to withstand heat and heavy use, ensuring long-lasting reliability. The complete cylinder kit comes with the cylinder head and pre-installed valves for easy installation, providing a hassle-free upgrade for your engine. Perfect for restoring or improving the performance of your GY6 170cc-200cc engine, this B-Block design cylinder head is an essential component for maintaining optimal engine function. With its compatibility with a range of engines, including the 200cc Apollo Go Kart Batman, it offers a seamless fit and dependable performance for various off-road and recreational vehicles.\u003c\/div\u003e\u003cdiv style='font-family: \"Market Sans\", Arial, sans-serif;'\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cspan style=\"font-weight: bold;\"\u003eComplete Cylinder Kit: \u003c\/span\u003eThis complete cylinder kit includes the head with valves installed, making installation straightforward and hassle-free. Compatible with GY6 170cc, 180cc, and 200cc engines, it’s perfect for those looking to restore or upgrade their engine with minimal downtime. Whether replacing a damaged part or upgrading for better performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-weight: bold;\"\u003ePerfect Fit for 57mm Stud Spacing: \u003c\/span\u003eDesigned to fit engines with a 57mm stud spacing, this cylinder head assembly provides an accurate and safe fit for GY6 170cc, 180cc, and 200cc engines, including popular models like TaoTao Bull 200 and TANK 200. It ensures compatibility, easy installation, and reliable performance with minimal modifications required.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-weight: bold;\"\u003eB-Block Valve Design: \u003c\/span\u003eUpgrade your GY6 170cc, 180cc, and 200cc EFI engines with this high-performance B-Block valve design cylinder head. Designed for superior airflow and improved combustion, it helps improve engine efficiency, reduce overheating, and increase overall performance, making it a must-have for your gy6 engine.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-weight: bold;\"\u003eDurable 62mm Piston Bore:\u003c\/span\u003e The 62mm piston bore diameter offers a perfect fit for your existing GY6 engine, ensuring seamless integration and reliable power delivery. This durable cylinder head enhances combustion efficiency, increases horsepower, and supports smooth operation for long-lasting engine performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-weight: bold;\"\u003eAluminum Alloy Construction: \u003c\/span\u003eBuilt from high-quality aluminum alloy, this cylinder head assembly is engineered to withstand extreme heat and heavy use. Offering exceptional durability and reliability, it reduces wear and tear on the engine, ensuring that the engine operates efficiently under various conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e\u003cdiv style='font-family: \"Market Sans\", Arial, sans-serif;'\u003e\u003cspan style=\"font-weight: bold;\"\u003eDetails:\u003c\/span\u003e\u003c\/div\u003e\u003cdiv style='font-family: \"Market Sans\", Arial, sans-serif;'\u003e\u003cul\u003e\n\u003cli\u003ePiston Bore Diameter: 62mm\u003c\/li\u003e\n\u003cli\u003eStud Spacing: 57mm\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e\u003cdiv style='font-family: \"Market Sans\", Arial, sans-serif;'\u003e\u003cspan style=\"font-weight: bold;\"\u003eKnown to Fit:\u003c\/span\u003e\u003c\/div\u003e\u003cdiv style='font-family: \"Market Sans\", Arial, sans-serif;'\u003e\u003cul\u003e\u003cli\u003e200cc Apollo Go Kart Batman\u003c\/li\u003e\u003c\/ul\u003e\u003c\/div\u003e\u003cdiv style='font-family: \"Market Sans\", Arial, sans-serif;'\u003e\u003cspan style=\"font-weight: bold;\"\u003ePackage Includes:\u003c\/span\u003e\u003c\/div\u003e\u003cdiv style='font-family: \"Market Sans\", Arial, sans-serif;'\u003e\u003cul\u003e\u003cli\u003eCylinder Head with Valves installed\u003c\/li\u003e\u003c\/ul\u003e\u003c\/div\u003e\u003cdiv style='font-family: \"Market Sans\", Arial, sans-serif;'\u003e\n\u003cspan style=\"font-weight: bold;\"\u003eNOTE: \u003c\/span\u003ePlease Be Carefully Check The Goods Appearance, Size, Shape Before Ordering.\u003c\/div\u003e ","brand":"United Express Distribution","offers":[{"title":"Default Title","offer_id":53093667012719,"sku":"HEAD-0301","price":79.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/0368\/1391\/files\/HEAD-0301_01.jpg?v=1778776178"},{"product_id":"72mm-cylinder-head-set-for-cf250-ch250-cn250-cfmoto-cf250-water-cooled-bn172mm-engine","title":"72mm Cylinder Head Set for CF250 CH250 CN250 CFMOTO CF250 Water-Cooled BN172MM Engine","description":"\u003cp style=\"margin: 0px 0px 15px; overflow-wrap: break-word;\"\u003e\u003cspan style=\"font-weight: bold; font-family: arial, sans-serif; color: rgb(51, 51, 51);\"\u003eGY6 250cc 4-Stroke Water Cooled Engine Parts BN172MM CF250, CH250, CN250\u003c\/span\u003e\u003c\/p\u003e\u003cp style=\"margin: 0px 0px 15px; overflow-wrap: break-word;\"\u003e\u003cspan style=\"color: rgb(51, 51, 51); font-family: arial, sans-serif; font-size: 16px; font-weight: bold;\"\u003e72mm Cylinder Piston Gasket Kit\u003c\/span\u003e\u003cspan style=\"font-family: arial, sans-serif; color: rgb(51, 51, 51);\"\u003e is a high-performance replacement part designed for Honda Helix CN250, CFMOTO CF250, and other 250cc water-cooled GY6 engines. This top-end rebuild kit ensures a seamless fit without the need for any modifications, making it an ideal choice for scooters, ATVs, go-karts, and buggy models. Engineered with precision, the kit includes a cylinder, piston, rings, and gaskets, all crafted from durable cast-iron material. This combination offers enhanced reliability and durability, providing a perfect solution for maintaining engine efficiency and performance.\u003c\/span\u003e\u003c\/p\u003e\u003cp style=\"font-size: 16px; margin: 0px 0px 15px; color: rgb(51, 51, 51); overflow-wrap: break-word; font-family: arial, sans-serif;\"\u003eFeaturing a 72mm bore, the cylinder and piston components are precisely designed to provide a strong seal with minimal tightening. The included gasket ensures proper compression and reduces the risk of leaks, while the robust materials used in the kit provide long-lasting performance even in demanding conditions. Whether you're rebuilding a worn-out engine or enhancing your vehicle's power and efficiency, this kit offers everything needed for a reliable and smooth rebuild experience.\u003c\/p\u003e\u003cul style='font-family: \"Market Sans\", Arial, sans-serif;'\u003e\n\u003cli\u003e\n\u003cspan style=\"font-weight: bold;\"\u003ePremium 72mm Cylinder Piston Gasket Kit: \u003c\/span\u003eThe RedCap 72mm Cylinder Piston Kit is a complete solution for engine rebuilds, compatible with Honda Helix CN250, CFMOTO CF250, and other water-cooled 250cc GY6 engines. Designed for Go-Karts, ATVs, Scooters, and Buggies, it provides reliable performance and accuracy, providing smooth engine operation after installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-weight: bold;\"\u003eDirect Replacement with Easy Installation:\u003c\/span\u003e This cylinder piston ring gasket kit is engineered as a direct replacement, requiring no modifications for installation. It fits seamlessly into CN250, CF250 engines, CH250 scooters, and similar 250cc models. Perfect for hassle-free repairs, it provides your engine runs efficiently and restores original performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-weight: bold;\"\u003eDurable and Reliable Cast-Iron Build:\u003c\/span\u003e Crafted from strong cast-iron material, the RedCap 72mm cylinder provides unmatched durability and wear resistance. Designed to withstand high temperatures and pressure in water-cooled engines, it provides long-term reliability for rugged use in ATVs, Go-Karts, and scooters, even in demanding conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-weight: bold;\"\u003ePrecision Engineered for Optimal Sealing: \u003c\/span\u003eThis kit features a high-quality piston, rings, and gasket with accurate density to create a perfect seal with minimal tightening. It improves compression efficiency, reduces engine oil leaks, and improves overall performance, making it an excellent choice for engine rebuilds and maintenance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-weight: bold;\"\u003eWide Compatibility Across 250cc Models: \u003c\/span\u003eCompatible with Honda Helix CN250, CFMOTO CF250, CH250 scooters, and different Go-Karts, Buggies, and ATVs powered by 250cc water-cooled GY6 engines, this kit provides universal fitment. It’s ideal for replacing worn components, and provides maximum engine performance and extended service life.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp style=\"font-size: 16px; margin: 0px 0px 15px; color: rgb(51, 51, 51); overflow-wrap: break-word; font-family: arial, sans-serif;\"\u003e\u003cspan style=\"font-weight: bold;\"\u003eDetails:\u003c\/span\u003e\u003c\/p\u003e\u003cul style=\"font-size: 16px; list-style-position: outside; list-style-image: none; margin: 15px 0px; padding: 0px 0px 0px 40px; line-height: 1.6; color: rgb(51, 51, 51); font-family: arial, sans-serif;\"\u003e\n\u003cli\u003e\n\u003cspan style=\"font-weight: bold;\"\u003eCylinder Bore:\u003c\/span\u003e 77mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-weight: bold;\"\u003eMaterial:\u003c\/span\u003e Cast-Iron\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp style=\"font-size: 16px; margin: 0px 0px 15px; color: rgb(51, 51, 51); overflow-wrap: break-word; font-family: arial, sans-serif;\"\u003e\u003cspan style=\"font-weight: bold;\"\u003eIncluded Package:\u003c\/span\u003e\u003c\/p\u003e\u003cul style=\"font-size: 16px; list-style-position: outside; list-style-image: none; margin: 15px 0px; padding: 0px 0px 0px 40px; line-height: 1.6; color: rgb(51, 51, 51); font-family: arial, sans-serif;\"\u003e\n\u003cli\u003e77mm Cylinder\u003c\/li\u003e\n\u003cli\u003ePiston Kit\u003c\/li\u003e\n\u003cli\u003eGasket Set\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp style=\"margin: 0px 0px 15px; overflow-wrap: break-word;\"\u003e\u003cspan style=\"color: rgb(51, 51, 51); font-family: arial, sans-serif; font-size: 16px;\"\u003e\u003cspan style=\"font-weight: bold;\"\u003eKnown to fit:\u003c\/span\u003e \u003c\/span\u003e\u003cspan style=\"font-family: arial, sans-serif; color: rgb(51, 51, 51);\"\u003eGY6 250cc 4-Stroke Water Cooled Engine Parts BN172MM CF250, CH250, CN250\u003c\/span\u003e\u003c\/p\u003e","brand":"United Express Distribution","offers":[{"title":"Default Title","offer_id":53093692407919,"sku":"HEAD-0072","price":89.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/0368\/1391\/files\/HEAD-0072_01.jpg?v=1778777205"},{"product_id":"egr-big-bore-head-cylinder-kit-for-gy6-scooter-69mm-valves-bbk-80cc-cylinder-piston-rings-wrist-pin-circlips-head-base-gaskets","title":"EGR Big Bore Head \u0026 Cylinder Kit for GY6 Scooter 69mm Valves - BBK 80cc Cylinder, Piston, Rings, Wrist Pin, Circlips, Head \u0026 Base Gaskets -","description":"\u003cdiv\u003e\n\u003cp style=\"font-size: 16px; margin: 0px 0px 15px; color: rgb(51, 51, 51); overflow-wrap: break-word; font-family: arial, sans-serif;\"\u003e\u003cspan style=\"font-weight: bold;\"\u003eRedCap EGR Big Bore Head \u0026amp; Cylinder Kit\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"font-size: 16px; margin: 0px 0px 15px; color: rgb(51, 51, 51); overflow-wrap: break-word; font-family: arial, sans-serif;\"\u003eEGR Big Bore Cylinder Head Assembly - BBK 80cc GY6 Cylinder, Piston, Rings, Wrist Pin, Circlips, Head \u0026amp; Base Gaskets - Compatible with 50cc, 60cc, 4-Stroke GY6\/QMB139 Engines - GY6 Scooter 69mm Valves Cylinder Head - Includes Head and Base Gaskets\u003c\/p\u003e\n\u003cp style=\"font-size: 16px; margin: 0px 0px 15px; color: rgb(51, 51, 51); overflow-wrap: break-word; font-family: arial, sans-serif;\"\u003e\u003cspan style=\"font-weight: bold;\"\u003eMain Features and Benefits:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"font-size: 16px; margin: 0px 0px 15px; color: rgb(51, 51, 51); overflow-wrap: break-word; font-family: arial, sans-serif;\"\u003e\u003cspan style=\"font-weight: bold;\"\u003e80cc cylinder head for GY6 Big Bore\u003c\/span\u003e, \u003c\/p\u003e\n\u003cul style=\"font-size: 16px; list-style-position: outside; list-style-image: none; margin: 15px 0px; padding: 0px 0px 0px 40px; line-height: 1.6; color: rgb(51, 51, 51); font-family: arial, sans-serif;\"\u003e\n\u003cli\u003e\u003cspan style=\"font-weight: bold;\"\u003eIncluded in this big bore set are the following:\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003eCylinder Head\u003c\/li\u003e\n\u003cli\u003eHead Gasket\u003c\/li\u003e\n\u003cli\u003eBase Gasket\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\n\u003cdiv\u003eWhile this kit works with the stock carburetor, to get the best performance you should always read you spark plug to know if larger jets would give better performance and longevity to you big bore kit.\u003c\/div\u003e\n\u003cdiv\u003e\u003ca href=\"https:\/\/unitedexpressdist.3dcartstores.com\/product.asp?itemid=1773\"\u003eClick this link for the a set of jets.\u003c\/a\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e ","brand":"United Express Distribution","offers":[{"title":"Default Title","offer_id":53093700829295,"sku":"HEAD-0204","price":29.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/0368\/1391\/files\/HEAD-0204_01_e2d83ac8-4209-435e-8f76-667caa87a3df.jpg?v=1778777586"},{"product_id":"cylinder-head-studs-exhaust-nuts-m6-1-0x63-m8-1-25x32-for-170cc-gy6-type-k-block-engines","title":"Cylinder Head Studs \u0026 Exhaust Nuts M6-1.0x63 M8-1.25x32 for 170cc GY6 Type K-Block Engines","description":"\u003cdiv style='font-family: \"Market Sans\", Arial, sans-serif;'\u003e\n\u003cspan style=\"font-weight: bold;\"\u003eRedCap Cylinder Head Studs and Exhaust Nuts\u003c\/span\u003e are precision-engineered to provide a secure and reliable fit for GY6 169cc and 200cc engines, including popular models like TANK 200 and TaoTao Bull 200. Featuring M6-1.0x63 and M8-1.25x32 specifications with a 57mm stud spacing, these components ensure proper engine alignment and stability. Whether you're performing routine maintenance or a complete engine rebuild, these studs and nuts deliver the strength and precision needed to keep your engine running smoothly.\u003c\/div\u003e\u003cdiv style='font-family: \"Market Sans\", Arial, sans-serif;'\u003e\u003cbr\u003e\u003c\/div\u003e\u003cdiv style='font-family: \"Market Sans\", Arial, sans-serif;'\u003eCrafted from high-quality, heat-resistant materials, these cylinder head studs and exhaust nuts are designed to withstand extreme temperatures, pressure, and engine vibrations without loosening or corroding over time. Their durable construction ensures a tight, secure seal between the cylinder head and exhaust system, preventing leaks and maintaining optimal combustion efficiency. With easy installation and a direct OEM fit, RedCap Cylinder Head Studs and Exhaust Nuts provide a hassle-free upgrade, ensuring long-lasting performance and improved engine reliability.\u003c\/div\u003e\u003cdiv style='font-family: \"Market Sans\", Arial, sans-serif;'\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cspan style=\"font-weight: bold;\"\u003ePerfect Fit: \u003c\/span\u003eRedCap Cylinder Head Studs and Exhaust Nuts are designed to precisely fit GY6 169cc and 200cc engines, including TANK 200 and TaoTao Bull 200. With M6-1.0x63 and M8-1.25x32 dimensions and a 57mm stud spacing, these components ensure secure installation, proper engine alignment, and optimal performance, preventing misfitting or instability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-weight: bold;\"\u003eEnhanced Engine Stability: \u003c\/span\u003eThese RedCap studs and nuts ensure a firm and stable connection between the cylinder head and exhaust system, preventing leaks and misalignment. Their precision-engineered threads offer a tight, secure grip, reducing engine vibrations and enhancing overall performance, making them a reliable replacement for worn-out or weak fasteners.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-weight: bold;\"\u003eCorrosion \u0026amp; Heat Resistance: \u003c\/span\u003eDesigned to handle extreme conditions, these cylinder head studs and exhaust nuts feature excellent resistance to heat and corrosion. Whether exposed to prolonged high-temperature engine operations or harsh environmental conditions, these components maintain their integrity, providing a long-lasting and dependable solution for your engine.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-weight: bold;\"\u003eDurable Construction: \u003c\/span\u003eManufactured from premium-grade materials, these cylinder head studs and exhaust nuts provide superior strength and long-lasting durability. Built to withstand high temperatures, intense pressure, and engine vibrations, they resist wear, corrosion, and loosening over time, ensuring your engine maintains peak efficiency for extended periods.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-weight: bold;\"\u003eEasy Installation:\u003c\/span\u003e With precisely machined threads and OEM-spec dimensions, these studs and nuts allow for quick and hassle-free installation. Whether you are upgrading or replacing worn-out parts, these components ensure a straightforward fit without requiring modifications. Get back on the road faster with a secure, high-performance solution for your GY6 engine.\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e\u003cdiv style='font-family: \"Market Sans\", Arial, sans-serif;'\u003e\u003cspan style=\"font-weight: bold;\"\u003eSpecs:\u003c\/span\u003e\u003c\/div\u003e\u003cdiv style='font-family: \"Market Sans\", Arial, sans-serif;'\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cspan style=\"font-weight: bold;\"\u003eStud Size (Intake \u0026amp; Exhaust):\u003c\/span\u003e M6-1.0 x 63mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-weight: bold;\"\u003eExhaust Nut Size:\u003c\/span\u003e M8-1.25 x 32mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-weight: bold;\"\u003eStud Spacing: \u003c\/span\u003e57mm\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e\u003cdiv style='font-family: \"Market Sans\", Arial, sans-serif;'\u003e\n\u003cspan style=\"font-weight: bold;\"\u003eNOTE: \u003c\/span\u003ePlease check on your device whether the item will fit it before order.\u003c\/div\u003e","brand":"United Express Distribution","offers":[{"title":"Default Title","offer_id":53093717835887,"sku":"STUD-0171","price":3.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/0368\/1391\/files\/STUD-0171_01.jpg?v=1778777854"},{"product_id":"cylinder-head-studs-exhaust-nuts-m6-1-0x63-m8-1-25x32-for-gy6-b-4-stroke-200cc-1p63qml-efi-engines","title":"Cylinder Head Studs \u0026 Exhaust Nuts M6-1.0x63 M8-1.25x32 for GY6-B 4-Stroke 200cc 1P63QML EFI Engines","description":"\u003cdiv style='font-family: \"Market Sans\", Arial, sans-serif;'\u003e\n\u003cspan style=\"font-weight: bold;\"\u003eRedCap Cylinder Head Studs \u0026amp; Exhaust Nuts\u003c\/span\u003e are engineered to provide a secure and precise fit for GY6-B 4-stroke engines, including 170cc, 180cc, and 200cc 1P63QML EFI models. Designed for optimal compatibility, these high-performance components fit seamlessly with TaoTao Bull 200, TANK 200, and other engines featuring a 57mm stud spacing and B-Block Valve. Manufactured with M6-1.0x63 and M8-1.25x32 specifications, these studs and nuts ensure a strong, vibration-resistant connection, enhancing engine stability and performance for smoother rides.\u003c\/div\u003e\u003cdiv style='font-family: \"Market Sans\", Arial, sans-serif;'\u003e\u003cbr\u003e\u003c\/div\u003e\u003cdiv style='font-family: \"Market Sans\", Arial, sans-serif;'\u003eBuilt from premium-quality, heat-resistant materials, these cylinder head studs and exhaust nuts are designed to withstand extreme engine conditions, including high temperatures, pressure, and continuous vibrations. Their corrosion-resistant construction prevents wear and loosening over time, ensuring a long-lasting, reliable seal between the cylinder head and exhaust system. With precision-machined threads for easy installation, these RedCap studs and nuts provide a hassle-free replacement, restoring engine efficiency and maintaining peak performance with enhanced durability.\u003c\/div\u003e\u003cdiv style='font-family: \"Market Sans\", Arial, sans-serif;'\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cspan style=\"font-weight: bold;\"\u003eAccurate Fitment: \u003c\/span\u003eDesigned specifically for GY6-B 4-stroke engines, including 170cc, 180cc, and 200cc 1P63QML EFI models. Compatible with TaoTao Bull 200, TANK 200, and other B-block valve engines with a 57mm stud spacing. Ensures a precise fit, reducing the risk of misalignment and optimizing engine performance for smoother rides.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-weight: bold;\"\u003eOptimal Thread Size: \u003c\/span\u003eThe M6-1.0x63mm cylinder head studs and M8-1.25x32mm exhaust nuts are engineered for a secure and stable connection. This precise threading helps prevent loosening over time, maintain proper torque settings, and reduce the chances of engine failure due to component detachment, especially in high-revving motors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-weight: bold;\"\u003eEnhanced Engine Performance:\u003c\/span\u003e Upgrading to these premium studs and nuts improves engine reliability by providing superior clamping force and preventing head gasket leaks. By maintaining optimal compression and preventing unwanted vibrations, these components extend the lifespan of your engine and ensure peak efficiency during operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-weight: bold;\"\u003eHeavy-Duty Construction:\u003c\/span\u003e Crafted from high-strength steel, these cylinder head studs and exhaust nuts provide exceptional durability and resistance to wear, heat, and vibration. The premium material enhances engine stability, ensuring long-lasting performance even under high-stress conditions, making it ideal for off-road and high-performance applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-weight: bold;\"\u003eEasy Installation:\u003c\/span\u003e Designed for quick and hassle-free installation, these studs and nuts fit seamlessly without requiring modifications. Suitable for various GY6-B engine models and compatible with multiple ATV and scooter brands, they are a must-have replacement part for mechanics, DIY enthusiasts, and riders looking for a dependable upgrade.\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e\u003cdiv style='font-family: \"Market Sans\", Arial, sans-serif;'\u003e\u003cspan style=\"font-weight: bold;\"\u003eSpecs:\u003c\/span\u003e\u003c\/div\u003e\u003cdiv style='font-family: \"Market Sans\", Arial, sans-serif;'\u003e\u003cul\u003e\n\u003cli\u003eStud Size (Intake \u0026amp; Exhaust): M6-1.0 x 63mm\u003c\/li\u003e\n\u003cli\u003eExhaust Nut Size: M8-1.25 x 32mm\u003c\/li\u003e\n\u003cli\u003eStud Spacing: 57mm\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e\u003cdiv style='font-family: \"Market Sans\", Arial, sans-serif;'\u003e\n\u003cspan style=\"font-weight: bold;\"\u003eNOTE:\u003c\/span\u003e Please check on your device whether the item will fit it before order.\u003c\/div\u003e","brand":"United Express Distribution","offers":[{"title":"Default Title","offer_id":53093721800815,"sku":"STUD-0301","price":3.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/0368\/1391\/files\/STUD-0301_01.jpg?v=1778777871"},{"product_id":"52mm-big-bore-egr-cylinder-head-assembly-for-gy6-150cc-compatible-with-taotao-roketa","title":"52mm Big Bore EGR Cylinder Head Assembly for GY6 150cc Compatible with TaoTao Roketa","description":"\u003cdiv\u003eThe RedCap 52mm Big Bore EGR Cylinder Head Assembly for GY6 150cc is designed to enhance the performance and longevity of your scooter, ATV, or go-kart. Compatible with popular Chinese brands such as TaoTao, Roketa, Jonway, Baja, SunL, and Tank Urban Sport, this high-quality cylinder head is perfect for both 125cc and 150cc GY6 engines, including the 152QMI and 157QMJ models. By upgrading to this Big Bore cylinder head, you can achieve improved airflow and combustion, resulting in better overall engine efficiency and power output.\u003c\/div\u003e\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\u003cdiv\u003eCrafted with durability and performance in mind, this cylinder head assembly offers a seamless fit for a wide range of 125cc and 150cc GY6 scooters and off-road vehicles. The 52mm bore size ensures increased displacement for better acceleration and top-end speed, while the EGR (Exhaust Gas Recirculation) feature helps reduce emissions, making it an environmentally friendly choice. Whether you're looking to replace a worn-out cylinder head or enhance your engine's performance, the RedCap Big Bore EGR Cylinder Head Assembly is the perfect upgrade for your 4-stroke engine.\u003c\/div\u003e\u003cdiv\u003e\u003cdiv style=\"\"\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cspan style=\"font-weight: bold;\"\u003ePerfect Fit:\u003c\/span\u003e This high-performance cylinder head is fully compatible with a variety of popular Chinese brands, including TaoTao, Roketa, Jonway, Baja, SunL, and Tank Urban Sport. It is designed to fit both GY6 125cc and 150cc engines, making it a versatile option for a wide range of vehicles. The assembly fits 152QMI and 157QMJ engines, ensuring that your scooter, ATV, or go-kart can benefit from the enhanced power and performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-weight: bold;\"\u003eDurable Construction: \u003c\/span\u003eCrafted from high-quality materials, the RedCap 52mm Big Bore Cylinder Head Assembly is built to withstand the wear and tear of regular use. Its durable design ensures long-lasting reliability, even in tough riding conditions. The assembly's robust construction helps reduce the risk of premature wear and tear, making it an excellent choice for riders seeking both performance and durability in their engine upgrades.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-weight: bold;\"\u003eEnhanced Performance: \u003c\/span\u003eThe RedCap 52mm Big Bore EGR Cylinder Head Assembly is engineered to increase the displacement of your GY6 150cc engine, providing improved engine performance. This upgraded cylinder head ensures better airflow, optimized combustion, and greater horsepower, making it ideal for scooters, ATVs, and go-karts. Whether you're looking to boost acceleration or top-end speed, this assembly delivers the power you need for superior performance on any terrain.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-weight: bold;\"\u003eCleaner Emissions: \u003c\/span\u003eThe EGR (Exhaust Gas Recirculation) feature in this cylinder head helps reduce harmful emissions, making it an environmentally friendly upgrade for your vehicle. This technology recycles exhaust gases back into the combustion chamber, reducing the amount of pollutants released into the atmosphere. With the RedCap EGR Cylinder Head Assembly, you can enhance your engine's performance while also contributing to a cleaner environment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-weight: bold;\"\u003eEasy Installation: \u003c\/span\u003eUpgrading to the RedCap 52mm Big Bore EGR Cylinder Head Assembly is simple and hassle-free. Designed to fit seamlessly into your GY6 125cc and 150cc engine, this assembly offers an easy installation process, requiring no complicated modifications. Whether you're a DIY enthusiast or a professional mechanic, you can quickly upgrade your scooter, ATV, or go-kart to enjoy better performance with minimal effort.\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-weight: bold;\"\u003eSpecs:\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cspan style=\"font-weight: bold;\"\u003eValve Spacing (Center to Center):\u003c\/span\u003e 52mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-weight: bold;\"\u003eBolt Hole Diameter Top Left: \u003c\/span\u003e7.8mm \u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-weight: bold;\"\u003eBolt Hole Diameter Top Right: \u003c\/span\u003e9.7mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-weight: bold;\"\u003eBolt Hole Diameter Bottom Right: \u003c\/span\u003e6.3mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-weight: bold;\"\u003eMounting Hole Distance (Bottom): \u003c\/span\u003e140mm overall width\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-weight: bold;\"\u003eExhaust Port Width:\u003c\/span\u003e 61mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-weight: bold;\"\u003eOverall Height:\u003c\/span\u003e 126mm from top to bottom\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e","brand":"United Express Distribution","offers":[{"title":"Default Title","offer_id":53093727338607,"sku":"HEAD-0004","price":39.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/0368\/1391\/files\/HEAD-0004_01.jpg?v=1778778042"},{"product_id":"exhaust-cap-nuts-and-studs-m8-1-25-for-200cc-gy6-efi-engine-b-block-head-0301","title":"Exhaust Cap Nuts and Studs M8-1.25 for 200cc GY6 EFI Engine - B Block (HEAD-0301)","description":"\u003cdiv style='font-family: \"Market Sans\", Arial, sans-serif;'\u003eUpgrade your engine’s exhaust system with this Set of\u003cspan style=\"font-weight: bold;\"\u003e RedCap 2x Exhaust Cap Nuts and Studs (M8-1.25), \u003c\/span\u003especifically designed for 200cc GY6 EFI Engines - B Block (HEAD-0301). With a thread size of M8x1.25 and an overall length of 32mm, these high-quality components ensure a tight, secure fit, helping to eliminate exhaust leaks and enhance engine efficiency. Ideal for both replacement and repair, these studs and nuts are precision-machined to match OEM specifications and withstand high temperatures and vibrations.\u003c\/div\u003e\u003cdiv style='font-family: \"Market Sans\", Arial, sans-serif;'\u003e\u003cbr\u003e\u003c\/div\u003e\u003cdiv style='font-family: \"Market Sans\", Arial, sans-serif;'\u003eCrafted for durability and long-lasting performance, this exhaust stud kit is compatible with a wide range of Chinese ATVs, scooters, and go-karts equipped with GY6 200cc EFI engines. Whether you’re performing routine maintenance or a full engine rebuild, these cap nuts and studs offer a reliable solution for securing the exhaust manifold to the cylinder head. Easy to install and built to endure tough riding conditions, this kit is an essential part of keeping your engine running smoothly.\u003c\/div\u003e\u003cdiv style='font-family: \"Market Sans\", Arial, sans-serif;'\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cspan style=\"font-weight: bold;\"\u003ePerfect Fitment: \u003c\/span\u003eDesigned with an accurate M8x1.25 thread pitch, this exhaust stud and nut set offers an exact fit for 200cc GY6 EFI engines with B Block configuration. Ideal for exhaust system repairs or upgrades, these components ensure a secure and vibration-resistant connection that maintains exhaust integrity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-weight: bold;\"\u003eDurable Construction: \u003c\/span\u003eManufactured from strong, corrosion-resistant steel, these studs and nuts are built to withstand high engine temperatures and exposure to the elements. They maintain structural integrity under pressure, making them a reliable choice for long-term engine maintenance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-weight: bold;\"\u003eComplete Set: \u003c\/span\u003eThis kit includes 2 exhaust studs and 2 matching cap nuts, providing everything you need for a quick and efficient installation or replacement. It’s a cost-effective solution for restoring exhaust mount stability and eliminating leakage issues caused by worn or missing hardware.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-weight: bold;\"\u003eEFI Engines:\u003c\/span\u003e Specifically designed to be compatible with 200cc GY6 EFI engines, this stud and nut set delivers reliable performance for Chinese ATVs, scooters, mopeds, and go-karts. It supports accurate exhaust manifold positioning, promoting smoother engine operation and reducing wear on connected parts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-weight: bold;\"\u003eEasy Installation: \u003c\/span\u003eWhether you're replacing broken studs or upgrading your exhaust mounting hardware, this set offers a simple, direct replacement process. No need for special tools—just thread them in and tighten for a snug, secure fit that keeps your exhaust system properly mounted and leak-free.\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e\u003cdiv style='font-family: \"Market Sans\", Arial, sans-serif;'\u003e\n\u003cspan style=\"font-weight: bold;\"\u003eDetails\u003c\/span\u003e:\u003c\/div\u003e\u003cdiv style='font-family: \"Market Sans\", Arial, sans-serif;'\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cspan style=\"font-weight: bold;\"\u003eThread Size:\u003c\/span\u003e M8x1.25\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-weight: bold;\"\u003eOverall Length:\u003c\/span\u003e 32mm\u003c\/li\u003e\n\u003cli\u003eIncludes 2 studs and 2 Nuts.\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e\u003cdiv style='font-family: \"Market Sans\", Arial, sans-serif;'\u003e\u003cspan style=\"font-weight: bold;\"\u003eKnow to Fit:\u003c\/span\u003e\u003c\/div\u003e\u003cdiv style='font-family: \"Market Sans\", Arial, sans-serif;'\u003e\u003cul\u003e\u003cli\u003eChinese Scooters  ATVs Go Karts TaoTao Roketa Jonway Sunl Coolster and GY6-B Engines\u003c\/li\u003e\u003c\/ul\u003e\u003c\/div\u003e\u003cdiv\u003e \u003c\/div\u003e ","brand":"United Express Distribution","offers":[{"title":"Default Title","offer_id":53093733204079,"sku":"NUTMFLR-8","price":9.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/0368\/1391\/files\/NUTMFLR-8_01.jpg?v=1778778279"},{"product_id":"cylinder-head-assembly-for-650cc-utv-650-efi","title":"Cylinder Head Assembly for 650cc UTV 650 EFI","description":"\u003cp\u003e\u003cspan style=\"font-weight: bold;\"\u003eCylinder \u003c\/span\u003e\u003cspan style=\"font-weight: bold;\"\u003eHead Assembly for 650cc UTV 650 EFI\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0724\/0368\/1391\/files\/image.jpg?v=1778778288\"\u003e\u003c\/p\u003e\u003cdiv style='font-family: \"Market Sans\", Arial, sans-serif;'\u003e\u003cspan style=\"font-weight: bold;\"\u003eIncludes: \u003c\/span\u003e\u003c\/div\u003e\u003cdiv style='font-family: \"Market Sans\", Arial, sans-serif;'\u003e\u003cul\u003e\u003cli\u003eCylinder Head with valves preinstalled\u003c\/li\u003e\u003c\/ul\u003e\u003c\/div\u003e\u003cdiv style='font-family: \"Market Sans\", Arial, sans-serif;'\u003e\u003cspan style=\"font-weight: bold;\"\u003eKnown to Fit:\u003c\/span\u003e\u003c\/div\u003e\u003cdiv style=\"\"\u003e\u003cul style=\"\"\u003e\u003cli style=\"\"\u003e\u003cspan style='font-family: \"Market Sans\", Arial, sans-serif;'\u003eCougar Cycle 650cc UTV 650 EFI\u003c\/span\u003e\u003c\/li\u003e\u003c\/ul\u003e\u003c\/div\u003e\u003cdiv style='font-family: \"Market Sans\", Arial, sans-serif;'\u003e\n\u003cspan style=\"font-weight: bold;\"\u003eNote: \u003c\/span\u003eGaskets not included. Click for ==\u0026gt; \u003ca href=\"https:\/\/unitedexpressdist.3dcartstores.com\/product.asp?itemid=5422\"\u003eGasket set for Cylinder Kit Assembly for 650cc UTV 650 EFI\u003c\/a\u003e\n\u003c\/div\u003e ","brand":"United Express Distribution","offers":[{"title":"Default Title","offer_id":53093735497839,"sku":"HEAD-0650","price":299.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/0368\/1391\/files\/HEAD-0650_01.jpg?v=1778778317"},{"product_id":"gy6-150cc-cylinder-head-studs-set-of-4-stud-nuts-washers","title":"GY6 150cc Cylinder Head Studs set of 4 stud, nuts, washers","description":"\u003cspan style=\"font-family: proximasoft-regular; font-size: 14px; background-color: rgb(255, 255, 255);\"\u003eGY6 150cc Cylinder Head Studs set of 4 stud, nuts, washers\u003c\/span\u003e ","brand":"United Express Distribution","offers":[{"title":"Default Title","offer_id":53093812437103,"sku":"STUD-1501","price":12.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/0368\/1391\/files\/STUD-1501_01.jpg?v=1778779822"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/0368\/1391\/collections\/head-0002_thumbnail.jpg?v=1778168715","url":"https:\/\/uedist.com\/collections\/cylinder-heads.oembed?page=2","provider":"United Express Distribution","version":"1.0","type":"link"}