CHEVROLET Crankshafts

454 2-PC REAR SEAL PROCOMP LIGHTWEIGHT

Part Number: SCA-445440-2

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Estimated Ship Date: Jan 20, 2026 if ordered today

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454 2-PC REAR SEAL SUPERLIGHT

Part Number: SCA-445440-3

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Estimated Ship Date: Jan 20, 2026 if ordered today

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4340 Forged Pro Series Lightweight

Part Number: SCA-445440C-2

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Estimated Ship Date: Jan 20, 2026 if ordered today

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4340 Forged Superlight

Part Number: SCA-445440C-3

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Estimated Ship Date: Jan 20, 2026 if ordered today

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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.750 in. Stroke, Chevy, 350, Each

Part Number: SCA-435050-3

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Estimated Ship Date: Jan 20, 2026 if ordered today

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4340 Forged Superlight

Part Number: SCA-435052-3

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4340 Forged Superlight

Part Number: SCA-435087-3

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4340 Forged Pro Series Big Block Post

Part Number: SCA-773502021

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Estimated Ship Date: Jan 20, 2026 if ordered today

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Crankshaft, Forged 4340 Steel, 3.625 in. Stroke, Internal Balance, 8 Bolt, 58-tooth GM Reluctor, Wet Sump Post, Standard Snout, Chevy, Gen V, Each

Part Number: CPI-5TH-31V-AS

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Estimated Ship Date: Jan 15, 2026 if ordered today

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Crankshaft, Forged 4340 Steel, 3.625 in. Stroke, Internal Balance, 8 Bolt, 58-tooth GM Reluctor, Dry Sump Post, Standard Snout, Chevy, Gen V, Each

Part Number: CPI-5UH-31V-AS

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Estimated Ship Date: Jan 15, 2026 if ordered today

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Crankshaft, Magnum, Forged 4340 Steel, 3.625 in. Stroke, 6.098 in. Rod, Internal Balance, Chevy, LS7, 58X Reluctor, Long Snout, Each

Part Number: CPI-AWH31WMG

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Estimated Ship Date: Feb 6, 2026 if ordered today

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Crankshaft, Magnum, Forged 4340 Steel, 4.000 in. Stroke, 6.125 in. Rod, Internal Balance, Chevy, LS7, 58X Reluctor, Long Snout, Each

Part Number: CPI-AWO31WMG

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Estimated Ship Date: Feb 6, 2026 if ordered today

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Crankshaft, Magnum, Forged 4340 Steel, 5.300 in. Stroke, Internal Balance, 2-Piece Seal Style, Chevy, Each

Part Number: CPI-BB542B-MG

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Estimated Ship Date: Feb 6, 2026 if ordered today

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Crankshaft, Magnum, 2-piece Seal, Internal Balance, Forged 4340 Steel, 3.750 in. Stroke, Chevrolet, Each

Part Number: CPI-BBJ42B-MG

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Crankshaft, Magnum, 2-Piece Seal, Forged 4340 Steel, 3.875 in. Stroke, 6.385 in. Rod, 2.200 Pin, Internal Balance, Chevy, Big Block, Each

Part Number: CPI-BBM42B-MG

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Estimated Ship Date: Feb 6, 2026 if ordered today

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Crankshaft, Magnum, 2-Piece Seal, Forged 4340 Steel, 4.250 in. Stroke, 6.385 in. Rod, 2.100 Pin, Internal Balance, Chevy, Big Block, Each

Part Number: CPI-BBP43B-MG

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Estimated Ship Date: Feb 6, 2026 if ordered today

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Crankshaft, 2-piece seal, Internal balance, Forged 4340 Steel, 4.625 in. Stroke, Chevy, 454, 2.200 Pin, Each

Part Number: CPI-BBR42B-MG

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Estimated Ship Date: Feb 6, 2026 if ordered today

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Crankshaft, Magnum, 2-Piece Seal, Forged 4340 Steel, 4.125 in. Stroke, 6.385 in. Rod, 2.200 Pin, Internal Balance, Chevy, Big Block, Each

Part Number: CPI-BBU42B-MG

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Estimated Ship Date: Feb 6, 2026 if ordered today

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Crankshaft, Magnum, 2-Piece Seal, Forged 4340 Steel, 3.800 in. Stroke, 5.850 in. Rods, 2.100 Pin, 400 Main, Internal Balance, Chevy, Small Block, Each

Part Number: CPI-SAK21A-MG

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Estimated Ship Date: Feb 6, 2026 if ordered today

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Crankshaft, 2-piece seal, Internal balance, Forged 4340 Steel, 3.875 in. Stroke, Chevy, 350, 2.100 Pin, Each

Part Number: CPI-SAM11A-MG

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Estimated Ship Date: Feb 6, 2026 if ordered today

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Crankshaft, Magnum, 2-Piece Seal, Forged 4340 Steel, 4.000 in. Stroke, 6.000 in. Rods, 2.000 Pin, 400 Main, Internal Balance, Chevy, Small Block, Each

Part Number: CPI-SAO24A-MG

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Crankshaft, 2-piece Seal, Internal Balance, Forged 4340 Steel, 4.250 in. Stroke, 2.100 in. Pin, Chevy, 400

Part Number: CPI-SAP21A-MG

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Estimated Ship Date: Feb 6, 2026 if ordered today

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Crankshaft, Magnum, 2-Piece Seal, Forged 4340 Steel, 3.335 in. Stroke, 5.700 in. Rods, 2.100 Pin, 350 Main, Internal Balance, Chevy, Small Block, Each

Part Number: CPI-SAX11A-MG

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Crankshaft, Magnum, 2-Piece Seal, Forged 4340 Steel, 3.335 in. Stroke, 5.700 in. Rods, 1.888 Pin, 350 Main, Internal Balance, Chevy, Small Block, Each

Part Number: CPI-SAX19A-MG

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Crankshaft, Magnum, 2-Piece Seal, Forged 4340 Steel, 3.480 in. Stroke, 5.700 in. Rods, 2.100 Pin, 350 Main, Internal Balance, Chevy, Small Block, Each

Part Number: CPI-SMF11A-MG

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Estimated Ship Date: Feb 6, 2026 if ordered today

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