JE Pistons Polaris XP 850 SPORT Piston Single

This is a single, forged piston from JE Pistons, specifically made for the Polaris XP 850 SPORT. If you're rebuilding or upgrading the engine in your XP 850 SPORT, a well-built piston like this is crucial for reliable performance. This particular piston is 0.040 inch undersize, meaning it's designed to fit cylinders that have been bored out slightly to clean up imperfections or increase displacement.

JE Pistons are known for their strong construction and precise manufacturing. This forged piston is built to handle the stresses of an engine that's working hard, offering improved durability over stock cast pistons. The 0.040 inch undersize specification is important; it ensures a proper fit in a cylinder that has been machined to match this size. Always confirm your cylinder bore measurement before ordering to ensure compatibility.