Arctic Cat EXT 580 Pistons Top End Gaskets Bearings Rebuild Kit Std Bore 75.40mm

Brand New Top End Rebuild Kit. Includes (2) pistons, rings, wrist pins, circlips, wrist pin bearings, 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.