Manufactured by SPI Includes 2 pistons, ring sets, wrist pins, circlips as pictured SPI pistons are engineered to provide the best possible path for combustion chamber heat transfer to the cylinder walls All SPI pistons, rings, pins, circlips are manufactured to OEM specifications All individual components are interchangeable with original parts Piston weight is compatible with original piston T-Moly series with Teflon-Molybdenum coating T-Moly series pistons reduce friction, resist seizure, improve durability Made in Taiwan Pistons are for standard bore size 76.00mm Fits 2003 Ski-Doo Grand Touring 550F 2003 Ski-Doo Legend 550F 2003 Ski-Doo MXZ 550F 2003 Ski-Doo Summit 550F 2004 Ski-Doo Legend 550F 2004 Ski-Doo MXZ 550F 2004 Ski-Doo Skandic 550F 2004 Ski-Doo Skandic 550F SUV 2004 Ski-Doo Skandic 550F SWT 2004 Ski-Doo Skandic 550F WT 2004 Ski-Doo Summit 550F 2005 Ski-Doo Expedition 550F 2005 Ski-Doo GSX 550F 2005 Ski-Doo GTX 550F 2005 Ski-Doo MXZ 550F 2005 Ski-Doo Skandic 550F SUV 2005 Ski-Doo Skandic 550F SWT 2005 Ski-Doo Skandic 550F WT 2005 Ski-Doo Summit 550F 2006 Ski-Doo Expedition 550F Sport 2006 Ski-Doo GSX 550F 2006 Ski-Doo GTX 550F 2006 Ski-Doo MXZ 550F 2006 Ski-Doo MXZ 550X 2006 Ski-Doo Skandic 550F SUV 2006 Ski-Doo Skandic 550F SWT 2006 Ski-Doo Skandic 550F WT 2006 Ski-Doo Summit 550F 2007 Ski-Doo Expedition 550F Sport 2007 Ski-Doo Freestyle 550F Back Country 2007 Ski-Doo Freestyle 550F Park 2007 Ski-Doo Freestyle 550F Session 2007 Ski-Doo GSX 550F 2007 Ski-Doo GTX 550F 2007 Ski-Doo MXZ 550F 2007 Ski-Doo MXZ 550X 2007 Ski-Doo Skandic 550F SUV 2007 Ski-Doo Skandic 550F SWT 2007 Ski-Doo Skandic 550F WT 2007 Ski-Doo Summit 550F 2008 Ski-Doo Expedition 550F Sport 2008 Ski-Doo Freestyle 550F Back Country 2008 Ski-Doo Freestyle 550F Park 2008 Ski-Doo GSX 550F 2008 Ski-Doo GTX 550F 2008 Ski-Doo MXZ 550F 2008 Ski-Doo MXZ 550X 2008 Ski-Doo Skandic 550F SUV 2008 Ski-Doo Skandic 550F SWT 2008 Ski-Doo Skandic 550F Tundra LT 2008 Ski-Doo Skandic 550F WT 2008 Ski-Doo Summit 550F 2009 Ski-Doo Freestyle 550F Back Country 2009 Ski-Doo GSX 550F 2009 Ski-Doo GTX 550F 2009 Ski-Doo MXZ 550X 2009 Ski-Doo Skandic 550F SUV 2009 Ski-Doo Skandic 550F Tundra LT 2009 Ski-Doo Skandic 550F WT 2009 Ski-Doo Summit 550F 2010 Ski-Doo Grand Touring 550F Sport 2010 Ski-Doo GSX 550F Sport 2010 Ski-Doo MZX 550F TNT 2010 Ski-Doo Renegade 550F Sport 2010 Ski-Doo Skandic 550F SUV 2010 Ski-Doo Skandic 550F Tundra 2010 Ski-Doo Skandic 550F Tundra LT 2010 Ski-Doo Skandic 550F Tundra Sport 2010 Ski-Doo Skandic 550F WT 2011 Ski-Doo Expedition 550F Sport XP 2011 Ski-Doo Grand Touring 550F Sport XP 2011 Ski-Doo MXZ 550F Sport XP 2011 Ski-Doo MXZ 550F TNT XP 2011 Ski-Doo Renegade 550F Sport XP 2011 Ski-Doo Skandic 550F Tundra LT XP 2011 Ski-Doo Skandic 550F Tundra Sport XP 2011 Ski-Doo Skandic 550F Tundra XP 2011 Ski-Doo Skandic 550F WT 2012 Ski-Doo Expedition 550F Sport XP 2012 Ski-Doo Grand Touring 550F Sport XP 2012 Ski-Doo MXZ 550F Sport XP 2012 Ski-Doo MXZ 550F TNT XP 2012