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Part Number:
JE-338251

JE Pistons 338251 Forged 302/ 351W Big Bore Dome 4.145 Bore

JE Pistons, SBF 335/ 443/ 432, Bore 4.145, Stroke 3.100/ 4.100/ 4.000, Rod Length 5.400/ 6.200/ 6.250, Dome +6.5cc, 458 Grams, Set of 8

Special Price $987.29 Regular Price $1,096.99
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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 designed for use in aftermarket race blocks, these big bore domes will accommodate larger valves and long duration, tight lobe separation cams. Compatible with most 20° Wedge cylinder heads and will accept moderate nitrous. Precision CNC machined ring grooves accept 1/16", 1/16", 3/16" rings. Pin upgrade recommended above 700hp.

Includes:
  • Pin #927-2750-15-51S (130g)
  • Double spiro locks (#927-042-CS)
  • Double pin oilers

    Compression Ratio:
  • 56cc 12.6:1/ 16.3:1/ 16.0:1
  • 60cc 11.9:1/ 15.4:1/ 15.0:1
  • 64cc 11.2:1/ 14.5:1/ 14.2:1
    Note: *Made to Order.*
  • More Information
    CNC Part Number JE-338251
    Price $1,096.99
    Manufacturer's Part Number 338251
    Brands JE
    Part Types Engine Piston
    Departments Parts
    Vehicle Make Ford SB
    Bore Size 4.145
    Crankshaft Stroke 3.100, 4.000, 4.100
    Rod Length 5.400, 6.200, 6.250
    Piston Type Dome
    Compression Height 1.230
    Piston Material 2618 Forged
    Piston Ring Size 1/16 1/16 3/16
    Wrist Pin Size 0.927
    Custom Notices ⚠ PROP 65 WARNING

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