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Scooter gy6 150cc 63mm FORGED big bore cylinder combo kit 180cc BIG VALVES
Rovira Motorcycle Branded 63mm Big Bore COMBO Kit with a forged piston for the GY6 150cc 157QMJ engines. BORING OF THE ENGINE CASE IS REQUIRED. Also, this kit will not fit any go kart, or ATV regardless if it has a GY6 in it. Cylinder, FORGED Piston, Piston Rings, Piston Clips, Rod and Gaskets. 63mm Taiwan Made Valve Head with 30.5/26.5mm valves.
Includes Gaskets, Studs, Bolts, Spark Plug. MADE IN TAIWAN BY SHENGEE.