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Part Number:
SRP-345665

SRP Pistons 345665 Forged Windsor Dome 351W Stroker Combo 4.030 Bore

SRP Pistons, SBF 346/ 434, Bore 4.030, Stroke 3.400/ 4.250, Rod Length 5.400/ 6.250, Dome +9cc, 448 Grams, Set of 8 Pistons

$734.99
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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 2618 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.

  • Ideal for oval track to street/ strip applications
  • Pin fitting and double spiro locks included
  • Forced pin oiler for increased wrist pin lubrication.
  • CNC machined ring grooves accept 1/16, 1/16, 3/16 rings (Sold separately)
  • .912 x 2.750 x .140 straight wall wrist pin included (123 grams)
  • .912 x 2.750 Pin for 5.090 & 5.956 Rod

    Compression Ratio:
  • 54cc 13.2:1/ 58cc 15.0:1
  • 60cc 12.1:1/ 64cc 13.8:1
  • 64cc 11.1:1/ 70cc 12.8:1
    Note: *Made to order.*
  • More Information
    CNC Part Number SRP-345665
    Price $734.99
    Manufacturer's Part Number 345665
    Brands SRP
    Part Types Engine Piston
    Departments Parts
    Vehicle Make Ford SB
    Bore Size 4.030
    Crankshaft Stroke 3.400, 4.250
    Rod Length 5.400, 6.250
    Piston Type Dome
    Compression Height 1.100
    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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