JE pistons are compatible with OEM and aftermarket standard valve location heads, JE pistons will accommodate oversized valves and long duration, wide lobe separation cams. Precision CNC machined ring grooves accept 1/16, 1/16, 3/16 rings and compression height is figured for 10.300 block height. Note: SVO A, C, E and BOSS aluminum heads require custom pistons.

Includes:

Pin #990-2930-15-51S (150g)

double spiro locks (#990-042-CS)

Compression Ratio:

72cc 13.4:1