Koso north america big bore kit for honda grom. Western Power Sports Street 2016 в г. Енисейск

Unleash all the power your Honda GROM can handle with the Koso 170cc Big Bore kit.

Kit includes:

Ceramic coated aluminum cylinder
61mm bore, 11.5:1 compression ratio forged piston/ring kit (premium fuel required)
Top end gasket kit and banjo bolts

Not legal for use in California on pollution controlled vehicles, race use only in California - waiver available.