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 60.00mm Fits 1999 Arctic Cat Z370 F/C 2000 Arctic Cat Z370 2000 Arctic Cat Z370 ES 2001 Arctic Cat Panther 370 2001 Arctic Cat Z370 2001 Arctic Cat Z370 ES 2002 Arctic Cat Z370 2002 Arctic Cat Z370 ES 2003 Arctic Cat Panther 370 R 2003 Arctic Cat Z370 2003 Arctic Cat Z370 ESR 2004 Arctic Cat Panther 370 2004 Arctic Cat Z370 2004 Arctic Cat Z370 LX 2005 Arctic Cat Panther 370 R 2005 Arctic Cat Z370 2005 Arctic Cat Z370 LX 2006 Arctic Cat Panther 370 R 2006 Arctic Cat Z370 2006 Arctic Cat Z370 LX 2007 Arctic Cat Panther 370 2007 Arctic Cat Z370 2007 Arctic Cat Z370 LX 2008 Arctic Cat Panther 370