KOSO NORTH AMERICA Banjo Bolt Kit - Big Bore - Grom MO623100 Silencer Plug Some applications will require spacers

Some applications will require spacers to make proper clearances

Extra-thick material for durability

The included left side carbon fiber heel guard are designed to be functional as well as look great

hits and inclement weather conditions

KOSO NORTH AMERICA Banjo Bolt Kit - Big Bore - Grom MO623100 Silencer Plug Some applications will require spacersOptional camshaft kit can be used with stock engine, but delivers improved results when used with 170cc Big Bore kit Banjo bolt kit designed for 170cc big bore kit Includes ceramic coated cylinder, 61mm forged piston, rings, pin, gasket kit and banjo bolts Compression ratio of 11. 5 to 1