Image is a representation of this item. Actual item may vary.
Part Number:
JE-170855

JE Pistons 170855 Forged 331/ 347 Heavy Duty Flat Top 4.030 Bore

JE Pistons, SBF 331, Bore 4.030, Stroke 3.250, Rod Length 5.400, Flat Top -5.0cc, 451 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.
The Industry standard for rock-solid durability in a Heavy Duty Flat Top piston! An excellent choice for the gas pump, nitrous, or race fuel/ E85 forced induction combinations. Will accommodate oversized valves and long duration, tight lobe separation cams. Precision CNC machined ring grooves accept 1/16", 1/16", 3/16" rings. Pin upgrade recommended above 700hp. Recommended ring sets contain low tension oil ring.

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

    Compression Ratio:
  • 56cc 10.8:1
  • 60cc 10.2:1
  • 64cc 9.7:1
    Note: *Oil rail supports included. Made to Order.*
  • More Information
    CNC Part Number JE-170855
    Price $1,096.99
    Manufacturer's Part Number 170855
    Brands JE
    Part Types Engine Piston
    Departments Parts
    Vehicle Make Ford SB
    Bore Size 4.030
    Crankshaft Stroke 3.250
    Rod Length 5.400
    Piston Type Flat Top
    Compression Height 1.175
    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 #: RTT-1001316 Race Tec Pistons 1001130 Forged 23° Dome 4.165 Bore, SB Chevy 436
    Race Tec Pistons 1001316 Forged Dish 4.560 Bore, BB Chevy 555
    $1,097.00
    PART #: QTM-RM-6079 Quick Time Bellhousing - Big Block Mopar, RM-6079
    Quick Time Bellhousing - Big Block Mopar, RM-6079
    $1,349.95
    PART #: CCA-619-16 Comp Cams Valve Lash Cap
    Comp Cams 619-16 Valve Lash Cap
    $53.95
    PART #: MGP-VR38-6490 MGP-VR38-6490 Nissan VR38DETT Connecting Rod Kit, 6.490 In. Set of 6
    MGP-VR38-6490 Nissan VR38DETT Connecting Rod Kit, 6.490 In. Set of 6
    $1,139.99
    PART #: CRW-01522 Crower 01522
    Crower 01522 Solid Roller Camshaft
    $622.95
    PART #: CRW-00252V Crower 00252V
    Crower 00252V Hydraulic Flat Tappet Camshaft
    $277.95
    PART #: UEM-IC947-070 Icon Pistons IC947-070 Fits BBC 489 Dish 11.5cc Bore 4.320
    Icon Pistons IC947-070 Fits BBC 489 Dish 11.5cc Bore 4.320
    Special Price $880.46 Regular Price $907.69
    PART #: ARP-430-1602 ARP-430-1602
    ARP Chevy Fuel Pump Bolt Kit 430-1602
    Special Price $8.19 Regular Price $8.95