CHEVROLET Crankshafts

Crankshaft, Magnum, 1-Piece Seal, Forged 4340 Steel, 4.250 in. Stroke, 6.385 in Rod, 2.200 Pin, Internal Balance, Chevy, Big Block, GenV, GenVI, Each

Part Number: CPI-IBP42B-MG

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Estimated Ship Date: Dec 5, 2025 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: Dec 5, 2025 if ordered today

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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.000 in. Stroke, Custom Order, Chevy, 454

Part Number: CRO-UL95115

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Estimated Ship Date: Jan 12, 2026 if ordered today

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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.250 in. Stroke, Custom Order, Chevy, 350, 400

Part Number: CRO-UL95119

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Estimated Ship Date: Jan 12, 2026 if ordered today

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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.480 in. Stroke, Custom Order, Chevy, 350, 400

Part Number: CRO-UL95121

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Estimated Ship Date: Jan 12, 2026 if ordered today

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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.500 in. Stroke, Custom Order, Chevy, 350, 400

Part Number: CRO-UL95122

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Estimated Ship Date: Jan 12, 2026 if ordered today

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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.562 in. Stroke, Custom Order, Chevy, 350, 400

Part Number: CRO-UL95123

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Estimated Ship Date: Jan 12, 2026 if ordered today

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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.625 in. Stroke, Custom Order, Chevy, 350, 400

Part Number: CRO-UL95124

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Estimated Ship Date: Jan 12, 2026 if ordered today

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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.750 in. Stroke, Custom Order, Chevy, 350, 400

Part Number: CRO-UL95125

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Estimated Ship Date: Jan 12, 2026 if ordered today

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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.800 in. Stroke, Custom Order, Chevy, 350, 400

Part Number: CRO-UL95126

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Estimated Ship Date: Jan 12, 2026 if ordered today

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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.875 in. Stroke, Custom Order, Chevy, 350, 400

Part Number: CRO-UL95127

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Estimated Ship Date: Jan 12, 2026 if ordered today

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Crankshaft, Ultra Light, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.760 in. Stroke, Chevy, 454, Each

Part Number: CRO-UL95132

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Estimated Ship Date: Jan 12, 2026 if ordered today

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Crankshaft, Ultra Light, 2-Piece Seal, Internal Balance, Forged 4340, 4.000 in. Stroke, Chevy, 454, Each

Part Number: CRO-UL95133

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Estimated Ship Date: Jan 12, 2026 if ordered today

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Crankshaft, Magnum, Forged 4340 Steel, 4.125 in. Stroke, 6.125 in. Rod, Internal Balance, Chevy, LS7, 58X Reluctor, Long Snout, Each

Part Number: CPI-AWU-31W-MG

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Estimated Ship Date: Dec 5, 2025 if ordered today

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Crankshaft, Stock Eliminator, 2-Piece, 3.773 in. Stroke, Forged 4340 Steel, Internal Balance, Chevy, Big Block, Each

Part Number: CPI-BB1542BSE

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Estimated Ship Date: Dec 5, 2025 if ordered today

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Crankshaft, Forged 4340 Steel, 4.000 in. Stroke, Internal Balance, 8 Counterweight, 58X Reluctor, Chevy, LSA, Each

Part Number: CPI-5PO-31W-MG

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Estimated Ship Date: Dec 5, 2025 if ordered today

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Crankshaft, Magnum, 2-Piece Seal, Forged 4340 Steel, 3.750 in. Stroke, 6.385 in. Rod, 2.100 Pin, Internal Balance, Chevy, Big Block, Each

Part Number: CPI-BBJ43B-MG

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Estimated Ship Date: Dec 5, 2025 if ordered today

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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: Dec 5, 2025 if ordered today

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Crankshaft, 2-piece seal, Internal balance, Forged 4340 Steel, 4.000 in. Stroke, Chevy, 454, 2.200 Pin, Each

Part Number: CPI-BBO42B-MG

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Estimated Ship Date: Dec 5, 2025 if ordered today

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Crankshaft, 2-piece seal, Internal balance, Forged 4340 Steel, 4.000 in. Stroke, Chevy, Each

Part Number: CRO-95128

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Estimated Ship Date: Jan 12, 2026 if ordered today

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Crankshaft, 2-piece seal, Internal balance, Forged 4340 Steel, 4.000 in. Stroke, Chevy, Each

Part Number: CRO-95133

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Estimated Ship Date: Jan 12, 2026 if ordered today

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Crankshaft, 2-piece seal, Internal balance, Forged 4340 Steel, 4.250 in. Stroke, Chevy, Each

Part Number: CRO-95135

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Estimated Ship Date: Jan 12, 2026 if ordered today

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Crankshaft, 2-piece seal, Internal balance, Forged 4340 Steel, 4.375 in. Stroke, Chevy, Each

Part Number: CRO-95136

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Estimated Ship Date: Jan 12, 2026 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: Jan 12, 2026 if ordered today

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Crankshaft, 2-piece seal, External balance, Forged 4340 Steel, 4.625 in. Stroke, Chevy, Each

Part Number: CRO-95139

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Estimated Ship Date: Jan 12, 2026 if ordered today

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