POLARIS SPORTSMAN 90 2001-2005 PISTON 839M05350 Wiseco - 839M05350

Forged from high-silicon aluminum alloy for maximum strength and dependability.Innovative forging design and piston skirt provide maximum horsepower and torque.Wiseco High-Performance piston kits are priced with piston, rings, pins and circlips (unless noted otherwise).Oversize pistons require cylinder sleeving.