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Part Number:
SRP-271056

SRP Professional Pistons 271056 Forged 350/ 400 23° Flat Top 4.030 Bore

SRP Pro Pistons, SBC 355, Bore 4.030, Stroke 3.480/ 3.500, Rod Length 6.000, Flat Top -5.0cc, 414 Grams, Set of 8

Special Price $629.99 Regular Price $699.99
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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.
Small Block Chevy 350/ 400 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.

  • Lightweight, low friction metric ring package included
  • 1.2mm Carbon Steel top ring, 1.5mm Napier 2nd ring, 3.0mm standard tension oil ring
  • Napier 2nd ring for improved oil control
  • Minimal filing required

    Pins and Locks
  • High quality 2.250" pin further reduces reciprocating weight
  • Carbon steel wire locks included

    Compression Ratio:
  • 58cc 11.1:1
  • 64cc 10.3:1
  • 70cc 9.7:1
  • More Information
    CNC Part Number SRP-271056
    Price $699.99
    Manufacturer's Part Number 271056
    Brands SRP
    Part Types Engine Piston
    Departments Parts
    Vehicle Make Chevy SB
    Bore Size 4.030
    Crankshaft Stroke 3.480, 3.500
    Rod Length 6.000
    Piston Type Flat Top
    Compression Height 1.260
    Piston Material 4032 Forged
    Piston Ring Size 1.2 1.5 3.0mm
    Wrist Pin Size 0.927
    Custom Notices ⚠ PROP 65 WARNING

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