JE PISTONS Piston Kit - 4.125" Bore - +0.188" Oversize - 107" M8 370245

Piston Kit - 4.125" Bore - +0.188" Oversize - 107" 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