JE pistons for big block engines are an excellent choice for drag race applications. Compression Height figured using 9.780 block height with zero deck clearance. Dome pistons listed will not work with Edelbrock head #6045, 6040, 6055, pistons for these heads are available as special order. Precision CNC machined ring grooves accept 1/16, 1/16, 3/16 rings.

Includes:

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

Double spiro locks (#990-042-CS)

Double pin oilers

Accumulator Grooves

Compression Ratio:

110cc 13.7:1

118cc 12.5:1

124cc 11.7:1