90-'91 for Polaris 400 SP1 Piston Pol 54-707P2 Quite operation and smooth ride

Quite operation and smooth ride

Individual chrome acorn bolt and nut sets for specific applications

Stronger sidewalls allow rider to run lower PSI for greater traction

Made of chrome silicon with a high stiffness-to-mass ratio and shot-peened

Option: Gold

90-'91 for Polaris 400 SP1 Piston Pol 54-707P2 Quite operation and smooth rideManufacturer: Sports Parts MPN: 09 707 02 Title: Piston Kit Size: 0. 50mm Oversize to 65. 50mm 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