Koso 150cc Big Bore Kit Options Test Silicone grip top and bottom

Silicone grip top and bottom to hold the guard in place

Neoprene is weatherproof and great insulation

All tool kit components are premium grade and feature Assault Industries branding

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Koso 150cc Big Bore Kit Options Test Silicone grip top and bottomMade from the best components available on the market, the 150cc Big Bore kit is the perfect addition to upgrade your performance! The kit includes a black powder coated cylinder, 54 mm forged piston, rings, pin and gasket kit. Its compression ratio of 11. 38 to 1 will allow you to still use premium pump gas and keep the reliability of a stock motor. FEATURES Cylinder Displacement: 150cc Cylinder Material: Aluminum Black powder coated Piston Size: 54