J.E. Pistons 379030 FSR Pro Series Piston Kit - Standard Bore 78.00mm, 14.5:1 Compression skis-ski-bottoms and redesigned double-lip oil seal

and redesigned double-lip oil seal

1989-2003 Yamaha YFM350X Warrior

The Option Knee Pad features a hard molded polypropylene shell with a perforated bio-foam liner for increased breathability and superior impact protection

Eye opening large enough to accommodate goggles or sunglasses

External Hypalon net with elastic cord adds useful extra storage

J.E. Pistons 379030 FSR Pro Series Piston Kit - Standard Bore 78.00mm, 14.5:1 Compression skis-ski-bottoms and redesigned double-lip oil sealBore: 78. 00mm Compression: 14. 5: 1 Compression Sizing: Standard Bore As the leader in forged racing pistons, JE Pistons has applied over 75 years of experience to its carefully developed line of premium forged pistons for UTV engines. Engineered, forged and machined 100% in the USA, JE Pistons are designed for each specific engine and use application to provide the ultimate combination of durability and performance. Covering all popular models like