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You are here: Home > Crankshafts > Scat Crankshafts > Forged 4340 Steel > Chevrolet - Big Block
SCAT 4340 Forged steel crankshafts for the 454 Chevrolet block offer choices of stroke beginning at 3.766 and running up to 4.750 allowing for cubic inch displacements that begin at 440 and run up to 557 cubic inches, assuming a 4.310 bore. Most strokes are available in Standard or Pro Series Lightweight, allowing the flexibility to tailor your choice for your particular application.
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Scat Pro Series 4340 Crankshaft Chev 3.766 Stroke
Scat Crankshaft - Chevrolet 427 - 3.760 Stroke - 4340 Forged Steel - Pro Series
Price $1,711.00

P/N: SCA-445405C-2
Pro Series Lightweight

  • 3.766 Stroke
  • 6.135 Minimum Rod Length
  • 2.200 Rod Journal
  • 2.748 Main Journal
  • Internal Balance
  • 2 Piece Rear Main Seal
  • With Center Counterweights
Scat Pro Series 4340 Crankshaft Chev 3.766 Stroke
Scat Crankshaft - Chevrolet 427 - 3.766 Stroke - 4340 Forged Steel - Standard Weight
Price $958.00

P/N: SCA-445405C
Standard Weight Crankshaft
  • 3.766 Stroke
  • 6.135 Minimum Rod Length
  • 2.200 Rod Journal
  • 2.748 Main Journal
  • Internal Balance
  • 2 Piece Rear Main Seal
  • With Center Counterweight
Scat Pro Series 4340 Crankshaft Chev 3.766 Stroke
Scat Crankshaft - Chevrolet 427 - 3.766 Stroke - 4340 Forged Steel - Superlight
Price $1,975.00

P/N: SCA-445405C-3
Superlight Crankshaft
  • 4.000 Stroke
  • 6.135 Minimum Rod Length
  • 2.200 Rod Journal
  • 2.748 Main Journal
  • Internal Balance
  • 2 Piece Rear Main Seal
  • With Center Counterweights
Scat Pro Series 4340 Crankshaft Chev 4.000 Stroke
Scat Crankshaft - Chevrolet 454 - 4.000 Stroke - 4340 Forged Steel - Pro Series
Price $1,711.00

P/N: SCA-445415C-2
Pro Series Lightweight

  • 4.000 Stroke
  • 6.385 Minimum Rod Length
  • 2.200 Rod Journal
  • 2.748 Main Journal
  • Internal Balance
  • 2 Piece Rear Main Seal
  • With Center Counterweights
Scat Pro Series 4340 Crankshaft Chev 4.000 Stroke
Scat Crankshaft - Chevrolet 454 - 4.000 Stroke - 4340 Forged Steel - Pro Series
Price $1,556.00

P/N: SCA-445415-2
Pro Series Lightweight

  • 4.000 Stroke
  • 6.385 Minimum Rod Length
  • 2.200 Rod Journal
  • 2.748 Main Journal
  • Internal Balance
  • 2 Piece Rear Main Seal
Scat Pro Series 4340 Crankshaft Chev 4.000 Stroke
Scat Crankshaft - Chevrolet 454 - 4.000 Stroke - 4340 Forged Steel - Standard Weight
Price $878.00

P/N: SCA-445415C
Standard Weight Crankshaft
  • 4.000 Stroke
  • 6.385 Minimum Rod Length
  • 2.200 Rod Journal
  • 2.748 Main Journal
  • Internal Balance
  • 2 Piece Rear Main Seal
  • With Center Counterweight
Scat Pro Series 4340 Crankshaft Chev 4.000 Stroke
Scat Crankshaft - Chevrolet 454 - 4.000 Stroke - 4340 Forged Steel - Standard Weight
Price $894.00

P/N: SCA-445410L
Standard Weight Crankshaft
  • 4.000 Stroke
  • 6.135 Minimum Rod Length
  • 2.200 Rod Journal
  • 2.748 Main Journal
  • External Balance
  • 1 Piece Rear Main Seal
Scat Pro Series 4340 Crankshaft Chev 4.000 Stroke
Scat Crankshaft - Chevrolet 454 - 4.000 Stroke - 4340 Forged Steel - Standard Weight
Price $878.00

P/N: SCA-445410
Standard Weight Crankshaft
  • 4.000 Stroke
  • 6.135 Minimum Rod Length
  • 2.200 Rod Journal
  • 2.748 Main Journal
  • External Balance
  • 2 Piece Rear Main Seal
Scat Pro Series 4340 Crankshaft Chev 4.000 Stroke
Scat Crankshaft - Chevrolet 454 - 4.000 Stroke - 4340 Forged Steel - Standard Weight
Price $813.00

P/N: SCA-445415
Standard Weight Crankshaft
  • 4.000 Stroke
  • 6.385 Minimum Rod Length
  • 2.200 Rod Journal
  • 2.748 Main Journal
  • Internal Balance
  • 2 Piece Rear Main Seal
Scat Pro Series 4340 Crankshaft Chev 4.000 Stroke
Scat Crankshaft - Chevrolet 454 - 4.000 Stroke - 4340 Forged Steel - Superlight
Price $1,975.00

P/N: SCA-445415C-3
Superlight Crankshaft
  • 4.000 Stroke
  • 6.385 Minimum Rod Length
  • 2.200 Rod Journal
  • 2.748 Main Journal
  • Internal Balance
  • 2 Piece Rear Main Seal
  • With Center Counterweights