SSP-G 180cc Big Bore Power Kit for 150cc and 125cc 4-stroke GY6 Engines

This complete Power Pack comes with a 63mm cylinder and matching long case crankcase with all of the oil seals installed. This means there is no machining required unlike all other kits on the market.

Includes the following: 63mm cylinder, piston, rings, pin, clips, Super HP 2-valve head, valve cover, camshaft, rocker arm assembly, cylinder mounting studs, complete gasket set, bushings for right-hand and left-hand cases, and bearings.