J.E. Pistons 317211 Round Piston Kit - Standard Bore 3.937in., 10.25:1 Compression engine-cylinder-heads Drivens proprietary 3-piece design is

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

all the while maintaining the tensile strength

Just as bump stops are used to prevent damage to your suspension when it is traveling upwards

1990-1999 Harley Davidson FXSTC Softail Custom

1977-1978 Suzuki GS550

J.E. Pistons 317211 Round Piston Kit - Standard Bore 3.937in., 10.25:1 Compression engine-cylinder-heads Drivens proprietary 3-piece design isBore: 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