175cc Big Bore Power Kit for 150cc and 125cc 4-stroke GY6 Engines.
This kit uses the short crankcase case.
This complete Power Pack comes with a 62mm bored out Cylinder and matching machined out 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: 62mm cylinder, piston, rings, pin, clips, High-flow Large 2-valve head, engine cover valve dogs, valve dogs seat, timing gear, 4x cylinder mounting studs, complete gasket set, bushings for right-hand and left-hand cases, camshaft, cam chain, and some bearings.
