{"product_id":"rocker-arm-assembly-for-200cc-63mm-gy6-efi-b-block-engine","title":"Rocker Arm Assembly for 200cc 63mm GY6 EFI B-Block Engine","description":"\u003cdiv style='font-family: \"Market Sans\", Arial, sans-serif;'\u003eThe \u003cspan style=\"font-weight: bold;\"\u003e63mm Engine Rocker Arms Camshaft Holder Assembly\u003c\/span\u003e is designed specifically for 200cc GY6 EFI B-Block engines, offering a high-performance solution for riders looking to maintain or upgrade their engine’s valve system. Precision-engineered for durability and reliable performance, this rocker arm assembly ensures smooth valve movement, reduced friction, and efficient engine operation. With a 63mm bore size, it is perfectly suited for 170cc to 200cc GY6 B-Block engines commonly found in high-displacement scooters, mopeds, ATVs, and go-karts.\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;'\u003eCompatible with B-Block engine variants from well-known brands such as TaoTao, Roketa, Jonway, Baja, SunL, and Coolster, this camshaft holder and rocker arm assembly offers a direct fit replacement without the need for modification. Whether you're rebuilding your engine or replacing worn-out components, the rocker arm assembly provides the strength, fitment, and performance needed for demanding rides. It’s an ideal upgrade for enthusiasts and mechanics who want to ensure peak engine reliability in larger GY6-powered 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;\"\u003eHeavy-Duty Rocker Arm Assembly:\u003c\/span\u003e This rocker arms camshaft holder assembly is designed specifically for 63mm 200cc GY6 EFI B-Block engines. Built from durable materials for high heat and stress resistance, it ensures consistent valve timing and top-end engine reliability for your scooter, moped, or ATV.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-weight: bold;\"\u003eFit for GY6 EFI B-Block Engines: \u003c\/span\u003eCompatible with most 170cc to 200cc GY6 B-Block EFI engines, this rocker arm assembly offers a secure fit and seamless performance. Ideal for replacing worn or damaged camshaft holders on TaoTao, Jonway, Roketa, SunL, Coolster, Baja, and other Chinese-made go-karts and mopeds.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-weight: bold;\"\u003eHigh-Performance EFI Systems:\u003c\/span\u003e Engineered to meet the demands of fuel-injected (EFI) systems, this camshaft holder enhances engine timing, improves throttle response, and supports high-RPM performance. A must-have component for keeping your GY6 engine running smooth under intense riding conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-weight: bold;\"\u003eReliable Valve Operation: \u003c\/span\u003eWith precision-machined rocker arms and a reinforced camshaft holder, this assembly guarantees consistent valve movement and superior durability. The robust construction helps maintain engine compression and withstands prolonged exposure to high temperatures and engine vibrations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-weight: bold;\"\u003eEasy Replacement: \u003c\/span\u003eWhether you're restoring an ATV or upgrading your scooter’s engine, this plug-and-play rocker arm assembly installs easily with basic tools. Save time and money by avoiding complicated adjustments_just bolt it in and enjoy improved engine performance and longevity.\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 Fits:\u003c\/span\u003e\u003c\/div\u003e\u003cdiv style='font-family: \"Market Sans\", Arial, sans-serif;'\u003e\u003cul\u003e\u003cli\u003eFits 170cc-200cc GY6 B-Block Engines\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\u003eTo ensure you are ordering the correct part use the detailed pictures \u0026amp; measurements to verify the exact match of your part.\u003c\/div\u003e ","brand":"United Express Distribution","offers":[{"title":"Default Title","offer_id":53093698306159,"sku":"HEAD-0312","price":29.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/0368\/1391\/files\/HEAD-0312_01.jpg?v=1778777468","url":"https:\/\/uedist.com\/products\/rocker-arm-assembly-for-200cc-63mm-gy6-efi-b-block-engine","provider":"United Express Distribution","version":"1.0","type":"link"}