Electra-Coated crown, ring groove(s), and pin bores plus ArmorGlide® skirt coating for maximum wear resistance and protection from micro-welding, galling, and detonationDesigned for endurance and sustained RPM 2-stroke ridingExtra lightening operations for enhanced throttle responseEngineered, forged and machined in the USAKit includes piston(s), ring set, wrist pin(s), circlips, bearing(s) and gaskets