Wiseco high-performance top-end piston kit for 4-stroke engines, designed for a complete refresh with high-compression performance. Includes piston, rings, wrist pin, circlips and a matching top-end gasket kit for one engine.
Bring your 4-stroke top end back to peak performance with the Wiseco High-Performance Piston Kit with Gaskets. This complete kit is built for riders who want a dependable rebuild with a noticeable performance edge, thanks to a high-compression design and Wiseco’s proven forged piston construction.
Instead of chasing individual components, this set gives you the core parts needed for a proper top-end refresh in one package—helping you reduce downtime and avoid compatibility guesswork. It’s an ideal solution when your piston and rings are worn, compression has dropped, or you’re planning preventative maintenance before the next hard ride or race.
Kit includes: Piston Kit #40020M07700, Ring Set #7700YC, Wrist Pin #S677, Wrist Pin Retainer Set #W6883, Gasket Kit #W6661.