For All Your High Performance Needs

For All Your High Performance Needs

JE 257947 Forged Inverted Dome Pistons 4.500 Bore

SKU: JE-257947_1

JE 257947 Forged Inverted Dome Pistons 4.500 Bore

Regular Price: $754.13

Special Price $731.51

Availability: Out of stock

Quick Description

Big Block Chevy 509, Bore 4.500, Stroke 4.000, Rod Length 6.385, Inverted Dome -28cc, 591 Grams, Set of 8
These big block pistons are compatible with forced induction, nitrous and angle milled heads. The inverted dome shape has been designed for maximum efficiency and horsepower. Valve reliefs will accommodate oversized valves and long duration, tight lobe separation cams.Compression Height figured using 9.780 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.

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

    Compression Ratio:
  • 110cc 8.0:1
  • 118cc 7.6:1
  • 124cc 7.4:1
  • Quick Information

    Additional Information

    SKU JE-257947_1
    Manufacturer JE
    Vehicle Make Chevy BB
    Bore Size 4.500
    Wrist Pin Size 0.990
    Piston Material 2618 Forged
    Compression Height 1.395
    Piston Ring Size 1/16 1/16 3/16
    Piston Type Dish
    Rod Length 6.385
    Crankshaft Stroke 4.000
    List price No