JE Pistons 317221 High-Performance Piston Kit Bore Compression - 88mm 11.5 1 2-Cylinder

The JE Pistons 317221 is a complete high-performance piston and ring kit designed for Aprilia Mana 850 motorcycles and John Deere RSX850i utility vehicles, featuring an 88.00mm bore and 11.5:1 compression ratio for 2-cylinder engines. Engineered, forged and machined 100% in the USA, this piston kit is designed for each specific engine and riding application to provide the ultimate combination of durability and performance.

Key Features:

• Forged in the USA using 2618-T6 high tensile forged aluminum, yielding high tensile strength needed for high-demand performance applications
• Dome/dish features smooth flowing radii and require no deburring or preparation
• JE designs are specifically engineered for extreme applications including professional competition
• Complete kit includes high-quality wrist pins, wire pin locks, and JE Pro Seal premium piston rings
• Ready to install with all necessary components included

As the leader in forged racing pistons, JE Pistons has applied over 75 years of experience to its wide range of premium forged pistons for sport bike and other motorcycle engines. This kit delivers the performance and reliability demanded by professional engine builders, race teams, and high-performance enthusiasts.