80cc Cylinder Head Assembly, 64mm Valves, for GY6 47mm Big Bore Kits
80cc Cylinder Head Assembly, 64mm Valves, for GY6 47mm Big Bore Kits is backordered and will ship as soon as it is back in stock.
Pickup available at 2875 N Berkeley Lake Rd NW #4
Usually ready in 1 hour
Not sure? Text or email a photo of your old part or your engine model number. We'll confirm it fits before you buy.
Delivery and Shipping
Delivery and Shipping
Ships from our Duluth, Georgia warehouse.
Most in-stock orders ship the same business day. UPS orders placed before 3:00 PM ET, USPS orders before 12:00 PM ET. After the cutoff, they go out the next business day.
Standard delivery runs 2 to 6 business days to most US addresses. US territories take 7 to 14. These are carrier estimates, not guarantees.
Free shipping on most parts, no minimum order. Oversized items (body kits, wheels, tires, batteries, and engines) are quoted to your address and shown at checkout before you pay.
We ship UPS and USPS, and email your tracking number as soon as the order leaves.
Questions? Call or text 404-532-9833. Full details on our Shipping page.
80cc Cylinder Head Assembly, 64mm Valves, for GY6 47mm Big Bore Kits
80cc Cylinder Head Assembly, 64mm Valves, for GY6 47mm Big Bore Kits is backordered and will ship as soon as it is back in stock.
Description
Description
- Performance: 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.
- Precision Engineered: 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.
- Durable Construction: 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.
- Direct Replacement Engines: 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.
- Easy Installation: 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.
- Upgraded 80cc Cylinder Head & Valve Assembly QMB139 / QMI139 4-Stroke Engines.
- Exact replacement part for many Chinese-manufactured brands and models of Chinese Mopeds and Scooters.
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