GY6 Cylinder Rebuild Kit

This big cylinder kit upgrades your gy6 50cc 60cc 80cc to 100cc without EGR for higher rpm, more power, faster maximum speed.
69mm valve length version
easy installation
Includes cylinder block kit, cylinder head kit, camshaft, camshaft seat kit, gasket kit, oil pump and gears, spring set, copper roller set, 6-pin racing AC CDI, ignition coil and racing 3-electrode spark plug
Upgrade parts kit for most 50cc scooters