Includes 2 SPI pistons 2 ring sets 2 wrist pins 2 circlip sets 2 wrist pin bearings 1 SPI complete gasket kit This kit is standard bore 69.50mm Fits the models listed below 1996 Ski-Doo Summit 500 1996 Ski-Doo Formula SLS 500 1996 Ski-Doo Grand Touring 500 1997 Ski-Doo Formula 500 1997 Ski-Doo Formula Deluxe 500 1997 Ski-Doo Summit 500 1997 Ski-Doo Grand Touring 500 1997 Ski-Doo Skandic 500 WT L/C 1998 Ski-Doo Formula 500 1998 Ski-Doo Formula Deluxe 500 1998 Ski-Doo Summit 500 1998 Ski-Doo Grand Touring 500 1998 Ski-Doo MXZ 500 1998 Ski-Doo Skandic 500 WT L/C 1999 Ski-Doo Formula Deluxe 500 L/C 1999 Ski-Doo Summit 500 1999 Ski-Doo Formula Z 500 1999 Ski-Doo Grand Touring 500 1999 Ski-Doo MXZ 500 1999 Ski-Doo Skandic 500 WT L/C 2000 Ski-Doo Formula 500 L/C 2000 Ski-Doo Formula Deluxe 500 L/C 2000 Ski-Doo Touring 500 L/C 2000 Ski-Doo Skandic 500 WT L/C