Koso 150cc Big Bore Kit YCRF_goggles Spring loaded piston keeps hub

Spring loaded piston keeps hub constantly full of grease under pressure

and ensures that the product sticks on the chain perfectly

Mirror glass surface size: 6" x 4"

Ottoman stretch

Koso 150cc Big Bore Kit YCRF_goggles Spring loaded piston keeps hubMade 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