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 71.00mm Fits 2003 Arctic Cat Firecat 500 2003 Arctic Cat Firecat 500 Sno Pro 2004 Arctic Cat Firecat 500 2004 Arctic Cat Firecat 500 Sno Pro 2005 Arctic Cat Firecat 500 2005 Arctic Cat Firecat 500 Sno Pro 2006 Arctic Cat Firecat 500 2006 Arctic Cat Firecat 500 Sno Pro 2007 Arctic Cat F5 EFI 2007 Arctic Cat F5 EFI LXR 2008 Arctic Cat F5 EFI 2008 Arctic Cat F5 EFI LXR 2009 Arctic Cat F5 EFI 2009 Arctic Cat F5 EFI LXR 2010 Arctic Cat F5 LXR 2011 Arctic Cat F5 LXR 2012 Arctic Cat F5 LXR 2013 Arctic Cat F5 2014 Arctic Cat F5