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 77.25mm Fits 2007 Polaris 600 HO IQ CFI 2007 Polaris 600 HO IQ LX CFI 2007 Polaris 600 HO IQ Touring CFI 2008 Polaris 600 IQ LX CFI 2008 Polaris 600 IQ Shift 2008 Polaris 600 RR 2008 Polaris 600 Touring CFI 2009 Polaris 600 IQ CFI 2009 Polaris 600 IQ Shift 2009 Polaris 600 IQ Shift 136 CFI 2009 Polaris 600 IQ Touring CFI 2010 Polaris 600 IQ CFI 2010 Polaris 600 IQ Touring CFI 2010 Polaris 600 LX CFI 2011 Polaris 600 IQ LXT CFI 2011 Polaris 600 IQ Shift CFI 2011 Polaris 600 Shift 136 CFI 2012 Polaris 600 IQ LXT CFI 2012 Polaris 600 IQ Shift CFI 2013 Polaris 600 IQ LXT CFI 2014 Polaris 600 IQ LXT CFI 2015 Polaris 600 IQ LXT CFI