Includes 2 SPI pistons ***Dual ring pistons will be included, stock photo is used*** 2 ring sets 2 wrist pins 2 circlip sets 2 wrist pin bearings 1 SPI complete gasket kit This kit is standard bore 82mm. Fits the models listed below 2003 Ski-Doo Grand Touring 800 SE SDI 2003 Ski-Doo Legend 800 SE SDI 2003 Ski-Doo MXZ 800 Adrenaline 2003 Ski-Doo MXZ 800 Renegade 2003 Ski-Doo MXZ 800 Sport 2003 Ski-Doo MXZ 800 X 2003 Ski-Doo Summit 800HO Adrenaline 2003 Ski-Doo Summit 800HO Highmark 2003 Ski-Doo Summit 800HO Highmark Xtreme 2003 Ski-Doo Summit 800HO X 2004 Ski-Doo GSX 800HO 2004 Ski-Doo Legend 800 SDI 2004 Ski-Doo MXZ 800HO Adrenaline 2004 Ski-Doo MXZ 800HO Renegade 2004 Ski-Doo MXZ 800HO Renegade X 2004 Ski-Doo MXZ 800HO X 2004 Ski-Doo Summit 800HO 2005 Ski-Doo GSX 800HO 2005 Ski-Doo GTX 800HO 2005 Ski-Doo MXZ 800HO Adrenaline 2005 Ski-Doo MXZ 800HO Renegade 2005 Ski-Doo MXZ 800HO Renegade X 2005 Ski-Doo MXZ 800HO X 2005 Ski-Doo Summit 800HO Adrenaline 2005 Ski-Doo Summit 800HO X 2006 Ski-Doo GSX 800HO LTD PTEK 2006 Ski-Doo GTX 800HO LTD PTEK 2006 Ski-Doo MXZ 800HO Adrenaline PTEK 2006 Ski-Doo MXZ 800HO Renegade PTEK 2006 Ski-Doo MXZ 800HO Renegade X PTEK 2006 Ski-Doo MXZ 800HO X PTEK 2006 Ski-Doo Summit 800HO Adrenaline PTEK 2006 Ski-Doo Summit 800HO X PTEK 2007 Ski-Doo GSX 800HO LTD PTEK 2007 Ski-Doo GTX 800HO LTD PTEK 2007 Ski-Doo MXZ 800HO Adrenaline PTEK 2007 Ski-Doo MXZ 800HO Blizzard PTEK 2007 Ski-Doo MXZ 800HO Renegade PTEK 2007 Ski-Doo MXZ 800HO Renegade X PTEK 2007 Ski-Doo MXZ 800HO X PTEK 2007 Ski-Doo MXZ 800HO XRS PTEK