Kitaco high compression piston kit for Z125 Pro comes complete with 56mm 12.1:1 piston, rings, gaskets, pin and clips. This kit can be used with stock fuel controller but benefits from a programmable controller. Must NOT be used with stock camshaft, we recommend Kitaco high lift camshaft MM-3952 which was designed specifically for use with this piston.

• If purchasing both high comp piston and camshaft together, choose product MM-3721 High Comp Hyper kit which bundles both together for a discount.