J.E. Pistons 317211 Round Piston Kit - Standard Bore 3.937in., 10.25:1 Compression engine-cylinder-heads polycarbonate lenses provide 100% UVA/

polycarbonate lenses provide 100% UVA/ UVB protection

1990-1999 Harley Davidson FXSTC Softail Custom

Drivens proprietary 3-piece design is machined from aerospace grade 6061 T-6

As with all of our products this radiator is protected by the Mishimoto lifetime warranty

2014-2015 Kawasaki KX100

J.E. Pistons 317211 Round Piston Kit - Standard Bore 3.937in., 10.25:1 Compression engine-cylinder-heads polycarbonate lenses provide 100% UVA/Bore: 3. 937in. Compression: 10. 25: 1 Compression Sizing: Standard Bore From Daytona to Bonneville, JE Pistons continues to set the standards in street bike piston design. JE has recorded wins at Daytona with American Hondas CBR600RR, low ETs on the drag strip and land speed records at Bonneville. Machined from 2618 T6 high tensile forged aluminum. Dome dish features smooth flowing radii; require no deburring or preparation. JE designs are