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 78.00mm ***Pistons are for B case motors and have a 22mm wrist pin*** Fits 2000 Arctic Cat Powder Special 600 Carb 2000 Arctic Cat Powder Special 600 EFI 2000 Arctic Cat Powder Special 600 LE Carb 2000 Arctic Cat Powder Special 600 LE EFI 2000 Arctic Cat ZL 600 Carb 2000 Arctic Cat ZL 600 EFI 2000 Arctic Cat ZR 600 Carb 2000 Arctic Cat ZR 600 EFI 2000 Arctic Cat ZR 600 LE EFI 2001 Arctic Cat Mountain Cat 600 EFI 2001 Arctic Cat Mountain Cat 600 LE EFI 2001 Arctic Cat Mountain Cat 600 VEV Carb 2001 Arctic Cat ZL 600 EFI 2001 Arctic Cat ZL 600 ESR EFI 2001 Arctic Cat ZR 600 Carb 2001 Arctic Cat ZR 600 EFI 2001 Arctic Cat ZR 600 LE EFI 2001 Arctic Cat ZR 600 VEV Carb 2002 Arctic Cat Mountain Cat 600 EFI 2002 Arctic Cat Mountain Cat 600 LE EFI 2002 Arctic Cat Pantera 600 ESR EFI 2002 Arctic Cat ZL 600 EFI 2002 Arctic Cat ZL 600 ESR EFI 2002 Arctic Cat ZL 600 SS EFI 2002 Arctic Cat ZL 600 SS ESR EFI 2002 Arctic Cat ZR 600 Carb 2002 Arctic Cat ZR 600 EFI 2002 Arctic Cat ZR 600 CC EFI 2003 Arctic Cat Mountain Cat 600 EFI 2003 Arctic Cat Pantera 600 ESR EFI 2003 Arctic Cat ZL 600 EFI 2003 Arctic Cat ZL 600 ESR EFI 2003 Arctic Cat ZL 600 SS EFI 2003 Arctic Cat ZL 600 SS ESR EFI 2004 Arctic Cat Mountain Cat 600 EFI 2004 Arctic Cat Pantera 600 EFI 2005 Arctic Cat Pantera 600 EFI