JE Pistons 345200 FSR Pro Series Piston Kit Bore Compression - 77mm 14.0 1

The JE Pistons 345200 FSR Pro Series Piston Kit delivers professional-grade performance for high-demand powersports applications. Engineered, forged, and machined 100% in the USA, this premium piston kit is designed for specific engine applications to provide the ultimate combination of durability and performance in UTV and powersports engines.

Key Features:

• 77mm standard bore with 14.0:1 compression ratio for optimized power output
• Forged in the USA using 2618 aluminum alloy for exceptional tensile strength in high-performance applications
• Proprietary Forged Side Relief (FSR) design minimizes friction and power loss with reduced skirt width
• Lighter weight construction with shorter wrist pin saves rotating mass
• Complete kit includes high-quality wrist pins, locks, and JE Pro Seal premium piston rings
• Designed specifically for each engine application to maximize performance and durability

Backed by over 75 years of racing experience, JE Pistons has earned the trust of professional engine builders and racers across NASCAR, NHRA, AMA Supercross, and other top racing organizations. This FSR Pro Series kit is engineered to thrive in the high-load environments of UTV engines, from closed course racing to open trail riding.