Complete Top End Kits Include: Pistons, Rings, Wrist Pins, Circlips, Top End Bearings, Head, Base, Common Intake and Exhaust Gaskets required for rebuilding the top end of the motorFeatures: Platinum Series are made of high strength hardened aluminum designed to prevent skirt and ring groove breakage The piston walls are treated with a nonabrasive coating which reduces heat and friction for added horsepower and greatly extends piston life Made to exact OEM specifications Designed To Fit: 1992 Sea-Doo GTS 580 1992 Sea-Doo GTX 580 1992 Sea-Doo SP 580 1992 Sea-Doo SPI 580 1992 Sea-Doo XP 580 1993 Sea-Doo GTS 580 1993 Sea-Doo GTX 580 1993 Sea-Doo SP 580 1993 Sea-Doo SPI 580 1993 Sea-Doo SPX 580 1994 Sea-Doo GTS 580 1994 Sea-Doo SP 580 1994 Sea-Doo SPI 580 1995 Sea-Doo GTS 580 1995 Sea-Doo SP 580 1995 Sea-Doo SPI 580 1996 Sea-Doo GTS 580 1996 Sea-Doo SP 580 1996 Sea-Doo SPI 580Manufacturer Part Number: 010-815-10