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Part Number:
SRP-147549

SRP Pistons 147549 Forged 350/ 400 Dish 4.155 Bore

SRP Pistons, SBC 407, Bore 4.155, Stroke 3.750, Rod Length 6.000, Inverted Dome -16cc, 422 Grams, Set of 8

$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 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.

  • Ring land and crown thickness specifically engineered for mild turbo, supercharged, and nitrous applications.
  • CNC machined domes with radiused valve reliefs provide optimum flame travel.
  • Optional bearing steel pins available
  • Forced pin oiler for increased wrist pin lubrication.
  • Pin fitting and double spiro locks included.
  • 927-2750-150 wall wrist pin (130 grams) included
  • CNC Machined ring grooves accept 1/16, 1/16, 3/16mm rings (Rings Sold Separately)

    Compression Ratio:
  • 58cc 11.0:1
  • 64cc 10.3:1
  • 70cc 9.7:1
    Note: *Oil rail supports included.*
  • More Information
    CNC Part Number SRP-147549
    Price $734.99
    Manufacturer's Part Number 147549
    Brands SRP
    Part Types Engine Piston
    Departments Parts
    Vehicle Make Chevy SB
    Bore Size 4.155
    Crankshaft Stroke 3.750
    Rod Length 6.000
    Piston Type Dish
    Compression Height 1.125
    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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