Aluminum Cylinder Big Bore with Piston Kit 125cc

Bore diameter:52.4mm/2.06",Bolt hole spacing:50mm/1.97",Material:aluminu(as the picture shows)
Replacement for Apollo CRF Lifan 125cc Horizontal Engine Chinese Motorcycle ATV Go Kart Dirt Bike
Piston pin diameter:14mm/0.55".The hole through the middle of piston is 14mm and the piston has a flat top
Before installation,please apply a thin layer of new engine oil on the inner wall of the cylinder and the surface of the piston group,which is more lubricated to ensure the running-in effect
Warranty:We are always available to help our customers.Please message us for replacement or refund if you are not satisfied with the order