Sports Parts Inc 09-707-02 OEM Style Piston Kit - 0.50mm Oversize to 65.50mm drive-primary-drive-primary-drive-kits The engineers at Injen have

The engineers at Injen have spent considerable amounts of time designing

Trivalent Metal Plating - superior anti-corrosion and anti-seizing properties

1974 Sno-Jet Astro SS 440

SAFE-TECH CE level-2 shoulder and elbow armor

constructed from a 1 inch solid block of 6061 Alloy making it up to 50% more durable then a standard alloyradiator brace

Sports Parts Inc 09-707-02 OEM Style Piston Kit - 0.50mm Oversize to 65.50mm drive-primary-drive-primary-drive-kits The engineers at Injen haveEngineered 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. Includes: 1 piston, 1 ring set, 1 wrist pin and 1 circlip set. Vehicle Fitment: Polaris 400 1985 1991 Polaris 400 SKS 1987 1988