(2) Brand New Pistons and a Top End Gasket Kit. Includes (2) Kimpex pistons, rings, wrist pins, circlips, and a top end gasket kit. Pistons are for the standard bore (75.40mm). High-performance, long life cast pistons.Engineered to provide the best possible path for combustion chamber heat transfer to cylinder walls. PTFE coated to create the least amount of friction during the break-in period. Manufactured to the original OEM specifications.