JE Pistons are designed to be compatible with nitrous applications, and will accommodate larger valves and long duration, tight lobe separation cams. All block deck heights have been adjusted to reflect zero deck clearance and precision CNC ring grooves accept 1/16, 1/16, 3/16 rings.

Includes:

Pin #927-2750-15-51S (130g)

Double spiro locks (#927-042-CS)

Contact Reduction Grooves

Compression Ratio:

56cc 13.5:1

60cc 12.8:1

64cc 12.2:1