Part Number:
JE-258212

JE Pistons 258212 Forged Open Chamber Dome 4.320 Bore, Standard Deck

JE Pistons, BBC 498, Bore 4.320, Stroke 4.250, Rod Length 6.535, Dome +44cc, 533 Grams, Set of 8

$1,076.99
View Similar Items
⚠ 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.
Image is a representation of this item. Actual item may vary.
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
    Note: *Oil rail supports included.*
  • More Information
    CNC Part Number JE-258212
    Price $1,076.99
    Sold As Set
    Manufacturer's Part Number 258212
    Brands JE
    Part Types Engine Piston
    Departments Parts
    Vehicle Make Chevy BB
    Bore Size 4.320
    Crankshaft Stroke 4.250
    Rod Length 6.535
    Piston Type Dome
    Compression Height 1.120
    Piston Material 2618 Forged
    Piston Ring Size 1/16 1/16 3/16
    Wrist Pin Size 0.990
    Custom Notices ⚠ PROP 65 WARNING

    Upsell Products

    Other Customers Also Bought