J.E. Pistons M8 114/117 Piston Kit (128ci.) - 0.175in. Oversize to 4.250in., 4.5in. Stroke, 11.0:1 Compression 370252From Daytona to Bonneville, JE Pistons continues to set the standards in piston design JE has recorded wins at Daytona, 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 specifically engineered for extreme applications including professional competition Kit includes pistons, rings, piston pins and