Want to unleash all the power your Honda Grom can handle? Our 170cc Big Bore kit is the perfect addition for you ! The kit includes a ceramic coated cylinder, 61 mm forged piston, rings, pin, gasket kit and banjo bolts. Its compression ratio of 11.5 to 1 will allow you to still use premium pump gas and keep the reliability of a stock motor. Made from the best components available on the market, our 170cc big bore kit will amaze you!

Features:

• 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

Fitment:

• Honda MSX125 Grom 2013-2018