ProX Top End Kit .50mm / .020" Oversized 72.50mm Bore Piston Kits. Includes (2) Pistons, (2) Sets of Rings, (2) Pins, (2) Pairs of C-Clips, (2) Top End Bearings, (1) Top End Gasket Set.

ITEM FITS: 

503 Engine Type
1983-1990 Ski-doo Alpine 500
1994 Ski-doo Alpine 500
1979-1981 Ski-doo Blizzard 5500
1982-1984 Ski-doo Blizzard 5500 MX
1989-1991 Ski-doo Cheyenne
1987-1989 Ski-doo Escapade
1980-1983 Ski-doo Everest 500
1980-1983 Ski-doo Everest 500E
1999-2001 Ski-doo Formula Deluxe 500F
1996-1999 Ski-doo Formula SL
2001 Ski-Doo Grand Touring Cargo F
2001-2002 Ski-Doo Grand Touring F
2001-2002 Ski-Doo MXZ 500 Fan
1993-1994 Ski-doo Safari 503
1986-1994 Ski-Doo Safari 503 LC
1987-1994 Ski-Doo Skandic 500
1996-2002 Ski-Doo Skandic 500
2003 Ski-Doo Skandic 500 Sport
1996-2003 Ski-Doo Skandic 550 SWT
1996-2003 Ski-Doo Skandic 550 WT
2001-2002 Ski-Doo Summit 500 Fan
2001 Ski-Doo Touring 500 Fan
1995-1999 Ski-Doo Touring SLE
1989 Ski-Doo Voyager
Twin Cylinder, 2-Stroke

(2) 01.5595.050

(1) 35.5595