Sea-Doo 580 Platinum Top End Rebuild Kit. Includes 2 high performance Platinum (moly coated) Piston kits (includes pins, rings and clips) and all top end gaskets needed, 2 upper end needle bearings .
Piston OEM: 290996305, 420886270
ITEM#: 010-815-24p
TOP END REBUILD KIT: SEA-DOO 580 89-91 .040 over (1mm) 77mm BRAND: WSM