Restore compression and engine performance with this 58mm Piston for GY6 150cc Engines, complete with rings pre-installed for quick and hassle-free installation. This high-quality piston is ideal for rebuilds, repairs, or top-end upgrades on most 150cc GY6 4-stroke scooter engines. Whether you're replacing a worn piston or refreshing your engine, this component ensures optimal sealing, smooth combustion, and reliable long-term performance.
- 58mm piston for GY6 150cc 4-stroke engines Rings pre-installed for fast, easy installation Precision-machined for smooth operation and compression Compatible with stock cylinder and standard bore size Ideal for engine rebuilds or top-end repair kits Specifications: Bore Size: 58mm (standard GY6 150cc bore) Material: Cast aluminum alloy Includes: Piston, rings (installed), wrist pin, and circlips Fits: Most Chinese scooters, ATVs, and go-karts with 150cc GY6 engines (QMJ157)
