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 72.00mm Pistons are single ring design, dual ring design for same models also available Fits 2008 Ski-Doo Skandic 600HO SUV SDI 2011 Ski-Doo Skandic 600HO Tundra Xtreme ETEC 2011 Ski-Doo Skandic 600HO WT ETEC 2012 Ski-Doo Skandic 600HO SWT ETEC 2012 Ski-Doo Skandic 600HO Tundra Xtreme ETEC 2012 Ski-Doo Skandic 600HO WT ETEC 2013 Ski-Doo Skandic 600HO SWT ETEC 2013 Ski-Doo Skandic 600HO WT ETEC 2014 Ski-Doo Skandic 600HO SWT ETEC 2014 Ski-Doo Skandic 600HO WT ETEC 2015 Ski-Doo Skandic 600HO SWT ETEC 2015 Ski-Doo Skandic 600HO WT ETEC