1991 Sea-Doo SPI 580 Top End Engine Rebuild Kit 77 mm W78-81514P-190-C

This WSM Performance Parts Platinum Series complete top end engine rebuild kit is designed for the 1991 Sea-Doo SPI 580 Yellow Motor. The kit includes two 77.00 mm pistons, two ring sets, two wrist pins, four circlips, two needle bearings, one head, one base, two intake gaskets, and two exhaust gaskets. The pistons are made from hardened aluminum and feature nonabrasive piston-wall coating.