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Part Number:
SRP-142025

SRP Pistons 142025 Forged 350/ 400 Dome 4.165 Bore

SRP Pistons, SBC 409, Bore 4.165, Stroke 3.750, Rod Length 6.000, Dome +4cc, 449 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 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.

  • Designed for use with the most popular 23° heads
  • CNC machined domes with radiused valve reliefs provide optimum flame travel.
  • Optional bearing steel pins available
  • 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 14.1:1
  • 64cc 12.9:1
  • 70cc 11.9:1
    Note: *Oil rail supports included.*
  • More Information
    CNC Part Number SRP-142025
    Price $734.99
    Manufacturer's Part Number 142025
    Brands SRP
    Part Types Engine Piston
    Departments Parts
    Vehicle Make Chevy SB
    Bore Size 4.165
    Crankshaft Stroke 3.750
    Rod Length 6.000
    Piston Type Dome
    Compression Height 1.125
    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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