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Part Number:
JE-170850

JE Pistons 170850 Forged Heavy Duty Dish 4.030 Bore

JE Pistons, SBF 331, Bore 4.030, Stroke 3.250, Rod Length 5.400, Inverted Dome -26.5cc, 435 Grams, Set of 8

$1,176.99
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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.
The Industry standard for rock-solid durability in a Heavy Duty blower/ turbo piston! Will accommodate oversized valves and long-duration, tight lobe seperation 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 (123g)
  • Double spiro locks (#927-042-CS)
  • Contact Reduction Grooves

    Compression Ratio:
  • 56cc 9.1:1
  • 60cc 8.8:1
  • 64cc 8.5:1
    Note: *Oil rail supports included. Made to Order.*
  • More Information
    CNC Part Number JE-170850
    Price $1,176.99
    Manufacturer's Part Number 170850
    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 Dish
    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

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