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JE Pistons 258260 Forged Open Chamber Dome 4.375 Bore, Standard Deck

Original price was: $274.25.Current price is: $68.56.

SKU: IVJRV500671 Category:

Description

JE Pistons for big blocks engines are compatible with forced induction, nitrous, and angle milled heads. Valve reliefs will accommodate oversized valves and long duration, tight lobe separation cams. Compression Height figured using 10.180″ block height with zero deck clearance. Precision CNC machined ring grooves accept 1/16, 1/16, 3/16 rings. Will fit both open and closed chamber cylinder heads.

Includes:

  • Pin 990-2930-18-51S (174g)
  • Double spiral locks (990-042-CS)

    Compression Ratio:

  • 110cc 14.5:1
  • 118cc 13.2:1
  • 124cc 12.3:1