09-'13 for Polaris 550 IQ Shift 121" SP1 Piston T-Moly Pol 550 54-9256PS MPN: FK003D347

MPN: FK003D347

MPN: MD3089XC

This can have disastrous consequences

MPN: 3541822-41-XS

09-'13 for Polaris 550 IQ Shift 121" SP1 Piston T-Moly Pol 550 54-9256PS MPN: FK003D347Manufacturer: SPI MPN: SM 09256 Title: T Moly Series Piston Kit Size: Standard Bore 73. 00mm Option: Color: Includes: 1 piston, 1 ring set, 1 wrist pin and 1 circlip set 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