Wiseco complete top end Piston kits contain everything you need to complete your rebuild the right way, the first time. High quality parts specifically chosen by us to match our forged pistons are included in this kit for easy one stop shopping. Kit includes: piston, ring(s), wrist pin, clips, top end wrist pin bearing, and top end gasket kit. Each piston is built from race proven designs that are chosen by the top race teams in all forms of racing including Supercross, Motocross, GNCC, Superbike, and more. PK kits from Wiseco feature a complete top end gasket kit that gives you everything you need to complete your rebuild from premium materials. Dedicated forgings used for superior strength to weight ratio utilizing aerospace alloy.