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Scat 445425

Standard Weight 4340 Steel Crankshaft Without Center Counterweights Chevy Big Block

Scat 445425

942-445425

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Scat 445425 Standard Weight 4340 Steel Crankshaft Without Center Counterweights Chevy Big Block $812.99
Standard Weight 4340 Steel Crankshaft Without Center Counterweights
  • Chevy Big Block
  • 2-Piece Rear Main Seal
  • 4.250'' Stroke for use with 6.385'' Rod
  • 2.200" Rod Pin Diameter
  • Internal Balance
  • 70 lbs.

  • Specifications:

    Quantity
    Sold individually
    Crankshaft Material
    Forged 4340 steel
    Engine Stroke (in.)
    4.25
    Main Bearings Included
    No
    Rear Main Seal Style
    2-piece
    Rod Bearings Included
    No
    Lightened
    No
    Requires Narrow Bearings
    Yes
    Crankshaft Snout Style
    Standard
    Rod Journal Diameter (in.)
    2.2
    Engine Balance
    Internal
    Main Journal Diameter (in.)
    2.749
    Weight (lbs.)
    70
    Manufacturer's Part Number:
    445425

    Nitride hardened to increase strength and longevity, these standard weight crankshafts are forged from 4340 steel with large micropolished journals. They feature lightening holes in all rod journals, plus straight shot oil holes. Units can withstand the abuse of high-compression applications and street or race engines with mega horsepower.


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    Scat has been manufacturing and distributing crankshafts, connecting rods, and engine components for more than fifty years. The tradition continues to this day with a 42,000 sq/ft facility in Redondo Beach, California. Quality is the first step in all Scat products... skilled craftsmen, superior materials, innovation, and dedication create the absolute best parts for you.

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