描述
⚡ Upgrade your ride, own the streets!
- FAST UK DISPATCH - Get your scooter upgrade delivered immediately and start dominating the streets.
- POWER BOOST UPGRADE - Transform your 50cc scooter into an 80cc powerhouse for unmatched street performance.
- COMPLETE PRECISION KIT - Includes cylinder, piston, rings, gaskets, clips & gudgeon pin for seamless installation.
- PREMIUM ALUMINIUM BUILD - Durable 47mm aluminium bore ensures superior heat dissipation and longevity.
- PLUG PLAY COMPATIBILITY - Specifically engineered for GY6-50 4-stroke 139QMB/QMA engines—no guesswork needed.
This 80cc Cylinder Bore Set is a premium big bore upgrade kit designed for Znen Tommy 50 and other 139QMB series Chinese scooters. Featuring a 47mm aluminium cylinder, piston, rings, gaskets, and all necessary hardware, it delivers enhanced engine displacement and performance for GY6-50 4-stroke engines. Ready for immediate dispatch from the UK, it offers a reliable and complete solution to boost your scooter’s power and longevity.
