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 69.50mm Fits 2000 Ski-Doo MXZ 500 2001 Ski-Doo MXZ 500 2001 Ski-Doo MXZ 500 Trail 2002 Ski-Doo MXZ 500 Trail 2002 Ski-Doo MXZ 500 Sport MXZ 500 Sport RER 2003 Ski-Doo MXZ 500 Adrenaline MXZ 500 Adrenaline RER 2003 Ski-Doo MXZ 500 Trail MXZ 500 Trail RER