CHEVROLET 7.4L/454 Crankshafts

Crankshaft, Magnum, 2-piece Rear Main Seal Style, Internal Engine Balance, Forged 4340 Steel, 4.500 in. Stroke, Standard Snout, Chevrolet, 7.4L, Each

Part Number: CPI-BBQ42B-MG

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Estimated Ship Date: Sep 3, 2025 if ordered today

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Crankshaft, 2-piece Seal, Internal Balance, Forged 4340 Steel, 4.250 in. Stroke, 2.200 in. Pin, Chevy, 454

Part Number: CPI-BBP42B-MG

5.0 out of 5 stars ( 2 )

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Crankshaft, 2-piece Seal, Internal Balance, Forged 4340 Steel, 4.750 in. Stroke, 2.200 in. Pin, Chevy, 454

Part Number: CPI-BBS42B-MG

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Estimated Ship Date: Today

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Crankshaft, 2-Piece Seal, Internal Balance, Billet Steel, 4.500 in. Stroke, Chevrolet, Big Block, Each

Part Number: BRO-S0017

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Estimated Ship Date: Sep 22, 2025 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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4340 Forged Superlight

Part Number: SCA-445430C-3

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Estimated Ship Date: Oct 9, 2025 if ordered today

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4340 Forged Pro Series Lightweight

Part Number: SCA-445430C-2

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Estimated Ship Date: Oct 9, 2025 if ordered today

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4340 Forged Pro Series Lightweight

Part Number: SCA-445425C-2

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Crankshaft, 2-Piece Seal, External Balance, Forged 4340 Steel, 4.250 in. Stroke, Chevy, 454, Each

Part Number: SCA-445425-2

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Crankshaft, Magnum, 2-Piece Seal, Forged 4340 Steel, 3.500 in. Stroke, 6.385 in. Rod, 2.200 Pin, Internal Balance, Chevy, Big Block, Each

Part Number: CPI-BBG42B-MG

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4340 Forged Superlight

Part Number: SCA-445405C-3

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Estimated Ship Date: Oct 9, 2025 if ordered today

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4340 Forged Pro Series Lightweight

Part Number: SCA-445440C-2

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Estimated Ship Date: Oct 9, 2025 if ordered today

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4340 Forged Superlight

Part Number: SCA-445425C-3

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Estimated Ship Date: Oct 9, 2025 if ordered today

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4340 Forged Pro Series Lightweight

Part Number: SCA-445415C-2

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Estimated Ship Date: Oct 9, 2025 if ordered today

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4340 Forged Superlight

Part Number: SCA-445415C-3

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Estimated Ship Date: Oct 9, 2025 if ordered today

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4340 Forged Pro Series Lightweight

Part Number: SCA-445426C-2

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Estimated Ship Date: Oct 9, 2025 if ordered today

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4340 Forged Superlight

Part Number: SCA-445426C-3

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Estimated Ship Date: Oct 9, 2025 if ordered today

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Crankshaft, 2-piece Seal, Internal Balance, Forged 4340 Steel, 4.375 in. Stroke, 2.200 in. Pin, Chevy, 454

Part Number: CPI-BBB42B-MG

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Estimated Ship Date: Oct 29, 2025 if ordered today

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Crankshaft, Magnum, 2-Piece Seal, Forged 4340 Steel, 5.000 in. Stroke, 7.000 in. Rod, 2.200 Pin, Internal Balance, Chevy, Big Block, Each

Part Number: CPI-BBV42B-MG

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Estimated Ship Date: Oct 28, 2025 if ordered today

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Crankshaft, Forged 4340 Steel, Superlite, 4.25 in. Stroke, Chevy, 454, 2-Piece Seal, Will Internal Balance

Part Number: SCA-445425-3

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Oct 9, 2025 if ordered today

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Engine Crankshaft, Chevy 4-454-4375-6385-2 454 Big Block Forged 4340 Steel

Part Number: SCA-445426-2

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Estimated Ship Date: Oct 9, 2025 if ordered today

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454 2-PC REAR SEAL PROCOMP LIGHTWEIGHT

Part Number: SCA-445440-2

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Estimated Ship Date: Oct 7, 2025 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: Oct 7, 2025 if ordered today

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Crankshaft, 2-piece seal, External balance, Forged 4340 Steel, 4.500 in. Stroke, Chevy, Each

Part Number: CRO-95137

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Estimated Ship Date: Dec 1, 2025 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: Oct 10, 2025 if ordered today

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