- Includes a ceramic coated cylinder, 61mm forged piston, rings, pin, pin clips, gasket kit, and banjo bolts
- Compression ratio of 11.5 to 1 allows the use of premium pump gas to keep the reliability of the stock motor
Related Products
Unleash all the power your Honda GROM can handle with the Koso 170cc Big Bore kit.Ceramic coated aluminum cylinder61mm bore, 11.5:1 compression ratio forged piston/ring kit (premium fuel required)Top...
$384.95
$133.24
$23.05