Tusk Top End Gaskets are made from the highest quality materials available. Kits come complete with head and base gaskets along with other necessary gaskets and parts to rebuild the top end on your motorcycle or ATV. Wiseco Pro-Lite Piston Lightweight forging for instant throttle response and maximum torque Computer engineered piston skirt profiles provide minimal cylinder wall friction Piston kit includes piston, rings, wristpin and circlips. Tusk Complete Top End Rebuild Kit Pro-Lite Standard (54 mm) Wiseco Piston For Honda CR125R 2001-2002.