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Part Number:
SRP-345657

SRP Pistons 345657 Forged 460 Flat Top 4.440 Bore

SRP Pistons, BBF 533/ 557, Bore 4.440, Stroke 4.300/ 4.500, Rod Length 6.800/ 6.700, Flat Top -5cc, 607 Grams, Set of 8

Special Price $674.09 Regular Price $748.99
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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.

  • Pin fitting and double spiro locks included
  • CNC machined ring grooves accept 1/16, 1/16, 3/16 rings (Sold separately)
  • Includes wrist pin

    Compression Ratio:
  • 72cc 13.4:1/ 14.0:1
    Note: *Designed for M-6049 - SCJ Heads. Made to order.*
  • More Information
    CNC Part Number SRP-345657
    Price $748.99
    Manufacturer's Part Number 345657
    Brands SRP
    Part Types Engine Piston
    Departments Parts
    Vehicle Make Ford BB
    Bore Size 4.440
    Crankshaft Stroke 4.300, 4.500
    Rod Length 6.700, 6.800
    Piston Type Flat Top
    Compression Height 1.350
    Piston Material 4032 Forged
    Piston Ring Size 1/16 1/16 3/16
    Wrist Pin Size 0.990
    Custom Notices ⚠ PROP 65 WARNING

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