Koso 150cc Big Bore Kit Options Test All tool kit components are

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

Silicone grip top and bottom to hold the guard in place

Seizmik's Versa Vents are cleverly designed to gather air off the hood of the machine and redirects it to the inside of the vehicle

the “Heavy Duty” model is 50 percent thicker than most standard tubes on the market today

Pull farther

Koso 150cc Big Bore Kit Options Test All tool kit components areMade 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