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Scat 1-42257BE

Chevy 454 4340 Forged Std Weight Competition Rotating Assembly 489ci

Scat 1-42257BE
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942-1-42257BE

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Estimated ship date 12/05/17 if Ordered Today
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Scat 1-42257BE Chevy 454 4340 Forged Std Weight Competition Rotating Assembly 489ci $2,308.99
Chevy 454 4340 Forged Std Weight Competition Rotating Assembly
  • 489ci
  • 4.280'' Bore
  • Premium Forged Flat Top Piston
  • 9.4:1 w/112cc; 9.3:1 w/118cc; 8.6:1 w/124cc
  • 4.250'' Crank Stroke
  • 6.135'' Rod Length
  • External Balanced Assembly

  • Scat 1-42257BE Details

    454 Main Journals

  • 489 Cubic Inch
  • 4.250'' Crank Stroke
  • 6.135'' Rod Length
  • 2-Piece Rear Seal

    This Balanced Complete Assembly Includes:

  • Crankshaft
  • Connecting Rods with Bushed Pin, ARP 7/16'' x 1.400'' 8740 Bolts
  • Piston and Piston Rings
  • Main & Rod Bearings
  • External Balanced Assembly Includes Flexplate and Harmonic Damper.

  • Specifications:

    Gaskets Included
    No
    Engine Balance
    External
    Rear Main Seal Style
    2-piece
    Actual Engine CID
    489
    Assembly Lubricant Included
    No
    Balanced
    Yes
    Bore (in.)
    4.28
    Bore (mm)
    108.712
    Cam Bearings Included
    No
    Camshaft Included
    No
    Connecting Rod Beam Style
    H-beam
    Connecting Rod Material
    Forged 4340 steel
    Connecting Rods Included
    Yes
    Crankshaft Included
    Yes
    Crankshaft Material
    Forged 4340 steel
    Engine Stroke (in.)
    4.25
    Lifters Included
    No
    Main Bearing Undersize (in.)
    Stock
    Main Bearing Undersize (mm)
    Stock
    Main Bearings Included
    Yes
    Oil Pump Included
    No
    Piston and Ring Oversize (in.)
    0.03
    Piston Head Volume (cc)
    3
    Piston Material
    Forged aluminum
    Piston Ring Facing Material
    Plasmamoly
    Piston Rings Included
    Yes
    Piston Style
    Flat top, with single valve relief
    Pistons Included
    Yes
    Plastigage Included
    No
    Quantity
    Sold as a kit
    Rod Bearing Undersize (in.)
    Stock
    Rod Bearing Undersize (mm)
    Stock
    Rod Bearings Included
    Yes
    Timing Chain and Gears Included
    No
    Wrist Pin Style
    Floating
    Manufacturer's Part Number:
    1-42257BE

    Scat rotating assembly component parts are designed for the ultimate in performance. They take the ''guess work'' out of engine assemblies, just wash, Q.C. and assemble.

    Complete Assembly Includes:
  • 4340 Forged Standard Weight Crankshaft Without Center Counterweights
  • Pro Sport 4340 Forged H-Beam Connecting Rods with ARP 8740 7/16'' x 1.400'' Cap Bolts, Bushed Pin
  • Forged or Premium Forged Pistons with Piston Rings
  • Main and Connecting Rod Bearings
  • External Balanced Rotating Assemblies Include Flexplate and Harmonic Damper
  • Internal Balanced Rotating Assemblies DO NOT Include Flexplate and Harmonic Damper
  • Unbalanced Rotating Assemblies DO NOT Include Flexplate and Harmonic Damper
  • Crank/Rod/Piston Kits DO NOT Include Piston Rings, Main and Connecting Rod Bearings, Flexplate or Harmonic Damper

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