Included is two piston kits pistons, rings, circlips and wrist pins Manufactured by SPI T-Moly series pistons feature silicone aluminum alloy construction with teflon and molybdenum coating and a hard anodized crown Manufactured to OEM Specifications All kits are interchangeable with OEM components Works in both cast and chrome cylinders Pistons are for standard bore size 85.00mm Made in Taiwan Fits 2001 Polaris 800 XC SP 2002 Polaris 800 XC SP F/O 2002 Polaris 800 XC SP F/O M-10 2002 Polaris 800 XC SP Stock 2003 Polaris 800 XC Edge F/O 2003 Polaris 800 XC SP Edge 2003 Polaris 800 XC SP Edge M-10 F/O 2003 Polaris 800 XC SP Edge X F/O 2003 Polaris 800 XC SP Edge X M-10 F/O 2004 Polaris 800 XC Edge F/O 2005 Polaris 800 XC SP Edge 2005 Polaris 800 XC SP M-10