2 SPI Pistons & Top End Gasket Kit 1986-1999 Polaris 500 Indy Trail 488cc 72mm

Manufactured by SPIPistons are for standard bore size 72.00mm - SPI pistons are engineered to provide the best possible path for combustion chamber heat transfer to the cylinder walls - All pistons, rings, pins and circlips are manufactured to OEM specifications - All individual components are interchangeable with original parts - Piston weight compatible with original piston - Contains all gaskets pictured to rebuild top end (oil seals not included)Made in Taiwan - T-Moly series pistons additional benefits - Machined smooth heads - MOS2 (Teflon-molybdenum coating)Hard anodized crowns - Hypereutectic cast - Fits the following fan cooled models:1986 Polaris 488 Trail1986 Polaris 488 Trail SP1987 Polaris 488 Trail1987 Polaris 488 Trail ES1987 Polaris 488 Trail SKS1988 Polaris 488 Trail1988 Polaris 488 Trail Deluxe1988 Polaris 488 Trail ES1988 Polaris 488 Trail SKS1988 Polaris 488 Trail SP1989 Polaris 488 Trail1989 Polaris 488 Trail Deluxe1989 Polaris 488 Trail ES1989 Polaris 488 Trail SK