2000-2003 Seadoo GTX DI (951 Direct Injection Motor) Complete Top End Engine Rebuild Kit [Bore Size: 88.25 mm] Bore Size: 88.25 mm 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 Complete top end kits include 2 pistons, 2 ring sets, 2 wrist pins, 4 circlips, 2 needle bearings, 1 head, 1 base, 2 intake and 2 exhaust gaskets Compatibility: 2000-2003 Seadoo GTX DI (951 Direct Injection Motor)