CHEVROLET Crankshafts

Crankshaft, Magnum, 2-Piece Seal, Forged 4340 Steel, 3.875 in. Stroke, 6.000 in. Rods, 2.000 Pin, Big Block Post, Chevy, Small Block, Each

Part Number: CPI-SMM14A-MG

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Estimated Ship Date: Nov 24, 2025 if ordered today

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Crankshaft, Magnum, 2-Piece Seal, Forged 4340 Steel, 4.000 in. Stroke, 6.000 in. Rods, 2.100 Pin, 350 Main, Big Block Post, Chevy, Small Block, Each

Part Number: CPI-SMO11A-MG

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Estimated Ship Date: Nov 24, 2025 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, 350 Main, Big Block Post, Chevy, Small Block, Each

Part Number: CPI-SMO14A-MG

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Estimated Ship Date: Nov 24, 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: Nov 24, 2025 if ordered today

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Crankshaft, 2-piece Seal, Internal Balance, Forged 4340 Steel, 4.625 in. Stroke, 2.200 in. Pin, Chevrolet, Each

Part Number: CPI-BBR425-CS

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Estimated Ship Date: Nov 24, 2025 if ordered today

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Crankshaft, Compstar 4340 Forged, 3.750 Stroke, 8-bolt Flange, Internal Balanced, Includes 58-tooth GM Reluctor, Each

Part Number: CPI-5UJ31Q-CS

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Estimated Ship Date: Nov 24, 2025 if ordered today

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Crankshaft, 1-Piece Seal, Internal Balance, Forged 4340 Steel, 4.100 in. Stroke, Chevy, 5.7, 6.0L, Each

Part Number: MAN-190124

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Estimated Ship Date: Oct 13, 2025 if ordered today

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Crankshaft, One-piece Seal, Internal Balance, Cast Iron, Chevy, GMC, 5.3L, Each

Part Number: NAL-12685650

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Estimated Ship Date: Dec 5, 2025 if ordered today

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Crankshaft, Magnum, 1-Piece Seal, Forged 4340 Steel, 4.375 in. Stroke, 6.700 in Rod, 2.200 Pin, Internal Balance, Chevy, Big Block, GenV, GenVI, Each

Part Number: CPI-IBB42B-MG

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Estimated Ship Date: Nov 3, 2025 if ordered today

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Crankshaft, Magnum, 1-Piece Seal, Forged 4340 Steel, 4.000 in. Stroke, 6.385 in Rod, 2.200 Pin, Internal Balance, Chevy, Big Block, GenV, GenVI, Each

Part Number: CPI-IBO-42B-MG

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Estimated Ship Date: Nov 3, 2025 if ordered today

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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: Nov 3, 2025 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: Nov 3, 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: Nov 3, 2025 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: Nov 3, 2025 if ordered today

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Crankshaft, Compstar, 1-Piece Seal, Forged 4340 Steel, 3.760 in. Stroke, 6.135 in Rod, 2.200 Pin, Internal Balance, Chevy, Big Block, Each

Part Number: CPI-IB3-425-CS

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Estimated Ship Date: Nov 3, 2025 if ordered today

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Crankshafts, SBC 4340 Forged Lightweight Crankshaft. 3.480" stroke, 48-50 lb. total weight, 2.100" rod journal, two piece rear main seal

Part Number: MAN-190310NB

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Estimated Ship Date: Sep 22, 2025 if ordered today

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Crankshaft, 1-Piece Seal, External Balance, Forged 1053 Steel, 4.00 in. Stroke, Chevy, 502, Each

Part Number: NAL-10183723

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Estimated Ship Date: Nov 12, 2025 if ordered today

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Crankshaft, 1-Piece Seal, 4340 Forged Steel, 3.800 Stroke, Chevy, 5.7L, Each

Part Number: NAL-12489436

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Estimated Ship Date: Nov 12, 2025 if ordered today

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Crankshaft, 1-Piece Seal, Cast Iron, 3.480 in. Stroke, Chevy, 5.7L, Each

Part Number: NAL-14088526

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Estimated Ship Date: Nov 12, 2025 if ordered today

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Crankshaft, 1-Piece Seal, External Balance, Forged 1053 Steel, 4.000 in. Stroke, Chevy, 7.4L, Each

Part Number: NAL-14096983

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Estimated Ship Date: Nov 12, 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-95133

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Estimated Ship Date: Dec 8, 2025 if ordered today

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Crankshaft, 2-piece Seal, Internal Balance, Forged 4340 Steel, Big Block Chevy Snout, 4.125 in. Stroke, 2.100 in. Pin, Chevy, 400, Each

Part Number: CPI-SMU21A-MG

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Estimated Ship Date: Nov 3, 2025 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: Dec 8, 2025 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: Dec 8, 2025 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: Dec 8, 2025 if ordered today

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