80cc Cylinder Head Assembly (64mm Valves) for GY6 47mm Big Bore Kit Compatible with 139QMB 1P39QMB QMB139 QMI139
80cc Cylinder Head Assembly (64mm Valves) for GY6 47mm Big Bore Kit Compatible with 139QMB 1P39QMB QMB139 QMI139 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
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80cc Cylinder Head Assembly (64mm Valves) for GY6 47mm Big Bore Kit Compatible with 139QMB 1P39QMB QMB139 QMI139 is backordered and will ship as soon as it is back in stock.
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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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