Koso 150cc Big Bore Kit Options Test Neoprene is weatherproof and great

Neoprene is weatherproof and great insulation

Translucent color for accuracy and safety

It offers increased airflow with two massive drop-down chest vents combined with two large back exhaust vents

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

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Koso 150cc Big Bore Kit Options Test Neoprene is weatherproof and greatMade 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