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Part Number:
JE-257957

JE Pistons 257957 Big Block Forged Inverted Dome 4.530 Bore

JE Pistons, BBC 515, Bore 4.530, Stroke 4.000, Rod Length 6.135, Inverted Dome -11.5cc, 674 Grams, Set of 8

Special Price $969.29 Regular Price $1,076.99
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⚠ PROP 65 WARNING
⚠ WARNING: This product can expose you to chemicals, which are known to the State of California to cause cancer. Please contact us to obtain a list of harmful chemicals. For more information, go to www.P65Warnings.ca.gov.
JE Pistons for big blocks engines 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.

Includes:
  • Pin #990-2930-18-51S (174g) - 1.245" CD and above
  • Double spiral locks (#990-042-CS)

    Compression Ratio:
  • 110cc 8.9:1
  • 118cc 8.5:1
  • 124cc 8.2:1
  • More Information
    CNC Part Number JE-257957
    Price $1,076.99
    Manufacturer's Part Number 257957
    Brands JE
    Part Types Engine Piston
    Departments Parts
    Vehicle Make Chevy BB
    Bore Size 4.530
    Crankshaft Stroke 4.000
    Rod Length 6.135
    Piston Type Dish
    Compression Height 1.645
    Piston Material 2618 Forged
    Piston Ring Size 1/16 1/16 3/16
    Wrist Pin Size 0.990
    Custom Notices ⚠ PROP 65 WARNING
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