Performance Kit Big Bore Kit

SKU: 12-100

95 in stock


Performance Cylinder Kit Chinese Based Scooters

Boost your 50cc from a 39mm Bore to a 50mm Bore,

This is one of the biggest kits on the market

4 stroke 50mm cylinder set.  Kit includes cylinder, Performance Head with Valve Set, piston, rings, piston pin, cir clips, head gasket, and base gasket.


Cylinder Bore:  50mm

Wrist Pin Diameter: 13mm

Total Piston Height:  34.8 mm

Compression Height:  18.3mm