JE PISTONS Piston Kit - 4.25" Bore - +0.313" Oversize - 107" M8 370246

Piston Kit - 4.25" Bore - +0.313" 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