KOSO NORTH AMERICA Valve Head Kit - Big Bore - Grom SEE TECH MB623003

Magma Powersports Verified independent store

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Ideal engine part to complete Koso's big bore kit Unique four-valve design increases air flow and performance Provides more power and torque Features a forged piston, stainless ste el 24 mm intake valves and 20 mm exhaust valves Show more