JE Pistons 306365S Forged Piston for Polaris RZR XP 900 3.740" Bore 10.5:1 Compression

The JE Pistons 306365S is a high-performance forged piston designed specifically for the Polaris RZR XP 900 engine, featuring a 3.740-inch (95.00mm) bore and 10.5:1 compression ratio. Engineered, forged, and machined 100% in the USA, this premium piston provides the ultimate combination of durability and performance for demanding UTV applications.

Key Features:

• Forged in the USA using 2618 aluminum alloy, yielding high tensile strength needed for high-demand performance applications
• Designed specifically for the Polaris RZR XP 900 engine and use application to provide optimized performance and durability
• Includes high-quality wrist pins, locks, and JE Pro Seal premium piston rings
• Single piston configuration ideal for replacement or performance builds
• Proven to thrive in the high-load environments of UTV engines from closed course to open trail

As the leader in forged racing pistons with over 75 years of experience, JE Pistons has applied decades of professional racing expertise to create this carefully developed premium forged piston for UTV engines. The 10.5:1 compression ratio provides excellent power delivery while maintaining reliability for aggressive trail and recreational riding.