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Part Number:
SRP-321413

SRP Pistons 321413 Forged Windsor 351W Stroker Combo Flat Top 4.040 Bore

SRP Pistons, SBF 395, Bore 4.040, Stroke 3.850, Rod Length 6.250, Flat Top -5.0cc, 480 Grams, Set of 8 SRP Pistons, SBF 397, Bore 4.040, Stroke 3.875, Rod Length 6.250, Flat Top -5.0cc, 480 Grams, Set of 8 SRP Pistons, SBF 410, Bore 4.040, Stroke 4.000, Rod Length 6.200, Flat Top -5.0cc, 480 Grams, Set of 8 SRP Pistons, SBF 420, Bore 4.040, Stroke 4.100, Rod Length 6.125, Flat Top -5.0cc, 480 Grams, Set of 8 SRP Pistons, SBF 351W Stroker 420, Bore 4.040, Stroke 4.100, Rod Length 6.125, Flat Top -5.0cc, 480 Grams, Set of 8 SRP Pistons, SBF 351W Stroker 395, Bore 4.040, Stroke 3.850, Rod Length 6.250, Flat Top -5.0cc, 480 Grams, Set of 8

Special Price $591.29 Regular Price $656.99
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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.
SRP Professional pistons are the most advanced lightweight FSR forging that offers superior strength. SRP pistons are up to 20% lighter than traditional equivalent pistons. High-silicon 4032 aluminum alloy for reduced piston-to-wall clearance and quiet operation. Accumulator grooves for improved ring seal. Designed for normally aspirated or moderate forced induction nitrous engine applications. SRP professional pistons come standard with high-performance skirt coating and low drag performance piston rings.

  • Fits Ford, TFS, GT40, Canfield, Brodix, Track I, OE & Dart Windsor.
  • Does not fit Twisted Wedge, N351 or Edelbrock 7721.
  • CNC machined ring grooves accept 1/16, 1/16, 3/16 rings (Sold separately)
  • Includes wrist pin

    Compression Ratio:
  • 58cc 12.2:1/ 12.3:1/ 12.6:1/ 12.9:1
  • 64cc 11.3:1/ 11.4:1/ 11.7:1/ 12.0:1
  • 70cc 10.6:1/ 10.6:1/ 11.0:1/ 11.2:1
    Note: *Made to order.*
  • More Information
    CNC Part Number SRP-321413
    Price $656.99
    Manufacturer's Part Number 321413
    Brands SRP
    Part Types Engine Piston
    Departments Parts
    Vehicle Make Ford SB
    Bore Size 4.040
    Crankshaft Stroke 3.850, 3.875, 4.000, 4.100
    Rod Length 6.125, 6.200, 6.250
    Piston Type Flat Top
    Compression Height 1.300
    Piston Material 4032 Forged
    Piston Ring Size 1/16 1/16 3/16
    Wrist Pin Size 0.927
    Custom Notices ⚠ PROP 65 WARNING

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