Image is a representation of this item. Actual item may vary.
Part Number:
JE-338250

JE Pistons 338250 Forged 302/ 351W Big Bore Dome 4.135 Bore

JE Pistons, SBF 333/ 440/ 430, Bore 4.135, Stroke 3.100/ 4.100/ 4.000, Rod Length 5.400/ 6.200/ 6.250, Dome +6.5cc, 455 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 12.5:1/ 16.2:1/ 16.0:1
  • 60cc 11.8:1/ 15.3:1/ 15.0:1
  • 64cc 11.1:1/ 14.4:1/ 14.2:1
    Note: *Made to Order.*
  • More Information
    CNC Part Number JE-338250
    Price $1,096.99
    Manufacturer's Part Number 338250
    Brands JE
    Part Types Engine Piston
    Departments Parts
    Vehicle Make Ford SB
    Bore Size 4.135
    Crankshaft Stroke 3.100, 4.000, 4.100
    Rod Length 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 #: MOR-68364 68364 Moroso BB Chevy Fabricated Aluminum Valve Covers
    68364 Moroso BB Chevy Fabricated Aluminum Valve Covers
    $613.99
    PART #: SCA-9-239-4000-2000 Scat 9-239-4000-2000 9000 Series Cast Steel Pro Comp Crankshaft
    Scat 9-239-4000-2000 9000 Series Cast Steel Pro Comp Crankshaft
    $1,001.95
    PART #: CP-BLS1111-030 BLS1111-030 CP Bullet Chevy LS Forged Pistons -15°/L92- 4.030 Bore, 11.5:1
    BLS1111-030 CP Pistons, Bullet LS, 15°/L92- 4.030 Bore, 11.5:1
    Special Price $850.40 Regular Price $955.50
    PART #: CAL-175-019 Ford Godzilla Turbo 228 Hydraulic Roller Camshaft
    Ford Godzilla Turbo 228 Hydraulic Roller Camshaft
    $670.95
    PART #: CCA-12-648-5 12-648-5
    Comp Cams 12-648-5 Oval Track Solid Flat Tappet Camshaft
    $325.95
    PART #: CP-SC7139 SC7139 CP Forged Pistons - Honda L15A VTEC- 2.913 Bore, 11.5:1
    SC7139 CP Pistons, Forged - Honda L15A VTEC- 2.913 Bore, 11.5:1
    Special Price $787.78 Regular Price $885.15