Blue Line Piston Kit for GY6 150cc engines lowered these springs give both beginner

these springs give both beginner tuners and experienced builders precise control over CVT performance

Consult the service manual for instructions

2 Green (together)

or flat-spotted rollers

Internal anti-warp brace — reinforces arm posts against distortion under high rotational force

Blue Line Piston Kit for GY6 150cc engines lowered these springs give both beginnerRefresh your top end quickly and easily with this Blue Line Piston Assembly Kit for GY6 150cc engines with a standard bore of 57. 4mm. Specifications: Piston Diameter: 57. 4mm Includes all standard and oil scraper rings Includes wristpin and new wrist pin clips Product is intended as OEM equivalent for listed models. Any misuse, alteration or alternative application is prohibited by law.