JE PISTONS Piston Kit - 4.020" Bore - +0.005" Oversize - 114"/117" M8 370248

Piston Kit - 4.020" Bore - +0.005" Oversize - 114"/117" M8
Forged from 2618-T6 aluminum for better aligned grain flow and higher tensile strength, Skirt coating aids in optimal break-in for performance longevity, Accumulator groove provides additional volume for combustion pressure