Image is a representation of this item. Actual item may vary.
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
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.
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

    Upsell Products

    Other Customers Also Bought
    PART #: CCA-12-678-4 12-678-4
    Comp Cams 12-678-4 Xtreme Energy Solid Flat Tappet Camshaft
    $309.95
    PART #: WIS-RED0084X45 RED0084X45 Wiseco Pistons Red Series Dish 4.045 Bore - Chevy LS
    RED0084X45 Wiseco Pistons Red Series Dish 4.045 Bore - Chevy LS
    $949.99
    PART #: UEM-IC593CA.75mm Icon FHR Pistons IC593CA.75mm Fits Ford 6.2L Raptor Dome 7.5cc Bore 4.046
    Icon FHR Pistons IC593CA.75mm Fits Ford 6.2L Raptor Dome 7.5cc Bore 4.046
    Special Price $912.43 Regular Price $940.65
    PART #: JE-243332 JE Pistons 243332 Forged Open Chamber Dome Gas Ported Bore 4.610
    JE Pistons 243332 Forged Open Chamber Dome Gas Ported Bore 4.610
    Special Price $1,133.99 Regular Price $1,259.99
    PART #: JE-361350 JE Pistons 361350 Forged BMW Euro 3.0L 24V E36 Dome 86.25mm Bore
    JE Pistons 361350 Forged BMW Euro 3.0L 24V E36 Dome 86.25mm Bore
    Special Price $1,214.99 Regular Price $1,349.99
    PART #: JES-KBD-36110 KBD-32200 Jesel Big Block Chevy Mark 5 Belt Drive
    KBD-36110 Jesel Big Block Chevy Mark 5 Belt Drive
    Special Price $1,804.95 Regular Price $1,910.00
    PART #: JE-J100F8-4560-5-OS JE Premium Race Series Piston Ring Set J100F8-4125-5
    JE Premium Race Series Piston Ring Set J100F8-4560-5-OS
    Special Price $75.00 Regular Price $224.99
    PART #: PIO-839049 839049 Pioneer Chevy 305-454  Oil filter Adapter
    839049 Pioneer Chevy 305-454 Oil filter Adapter
    $16.95