JE Pistons Honda 2004 - 2009 CRF 250R / 2009 - 2017 CRF 250X 13.70:1 78MM Bore Piston Kit

As the leader in forged racing pistons, JE Pistons has applied over 75 years of experience to its wide range of Pro Series pistons for dirt bike and motorcycle engines. Engineered, forged and machined 100% in the USA, JE Pro Series pistons are designed for each specific engine and racing application with input from professional-level teams and racers. From motocross to off-road and everything in between, JE Pistons’ Pro Series are the ultimate forged piston choice for motocross and off-road competition.

• Forged in the USA using 2618 aluminum, yielding high tensile strength needed for high-demand performance applications
• Race-inspired two-ring design promotes quick revving and throttle response for noticeable power
• Designed specifically for each engine and use application to provide optimized performance durability
• Proprietary Forged Side Relief (FSR) forging design minimizes friction and power loss with reduced skirt width and saves additional weight with a shorter wrist pin
• Includes high-quality wrist pins, locks, and JE Pro Seal premium piston rings
• Made 100% in the USA