Engine Crankshafts

Crankshaft, Compstar 4340 Forged LS, 4.000 Stroke, Internal Balance, 8 counterweight, 6-bolt Flange, Standard Post. Includes 24-tooth GM Reluctor, Ea.

Part Number: CPI-APO31Q-CS24

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 22, 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: Dec 22, 2025 if ordered today

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Crankshaft, 1-Piece Seal, Internal Balance, Forged 4340 Steel, 4.000 in. Stroke, Chevy, 5.7, 6.0L, Each

Part Number: MAN-190058

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Estimated Ship Date: Dec 1, 2025 if ordered today

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Crankshaft, Chevy big block, forged, 4.375 stroke, w/ center counterweights

Part Number: MAN-190320

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Estimated Ship Date: Nov 25, 2025 if ordered today

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Crankshaft, 2-piece Seal, Internal Balance, Forged 4340 Steel, 3.480 in. Stroke, 2.100 in. Pin, Chevy, SBC, Each

Part Number: CPI-SAF-113-CR

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Crankshaft, Compstar, Forged 4340 Steel, 4.125 in. Stroke, 6.125 in. Rod, Internal Balance, Chevy, LS, 58X Reluctor, Each

Part Number: CPI-APU31QCS

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Crankshaft, 2-piece Seal, Internal Balance, Forged 4340 Steel, 3.500 in. Stroke, 2.100 in. Pin, Chevy, 350

Part Number: CPI-SAG113-CM

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Dec 22, 2025 if ordered today

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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.750 in. Stroke, Chevy, 7.4L, Each

Part Number: MAN-190280

4.0 out of 5 stars ( 1 )

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-BBB425-CS

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Crankshaft, 2-piece seal, Internal balance, Forged 4340 Steel, 4.500 in. Stroke, 2.200 Pin, Mopar, Each

Part Number: CPI-GEQ-62L-CS

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Crankshaft, 2-piece Seal, Internal Balance, Forged 4340 Steel, 3.800 in. Stroke, 2.100 in. Pin, Chevy, 400

Part Number: CPI-SAK213-CS

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Crankshaft, 2-piece Seal, Internal Balance, Forged 4340 Steel, 3.750 in. Stroke, 2.100 in. Pin, Chevy, 400

Part Number: CPI-SAJ213-CS

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

Part Number: CPI-GER-62L-CS

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Crankshaft, Chevy LS, forged, 4.000 stroke, lightweight, 58 tooth reluctor wheel, long snout

Part Number: MAN-192658

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Estimated Ship Date: Nov 10, 2025 if ordered today

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CRANKSHAFT

Part Number: MAN-190360

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CRANK-4340 FORGE 3.543 STROKE

Part Number: MAN-190350

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Estimated Ship Date: Nov 26, 2025 if ordered today

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Crank, 2-piece Seal, Internal Balance, Forged 4340 Steel, 3.750 in. Stroke, 2.100 in. Pin, Chevy, 350, BB Post

Part Number: CPI-SMJ11A-MG

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Estimated Ship Date: Jan 16, 2026 if ordered today

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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.00 in. Stroke, Chevy, 7.4L, Each

Part Number: MAN-190170

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Estimated Ship Date: Nov 10, 2025 if ordered today

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Crankshaft, 2-piece seal, Internal balance, Forged 4340 Steel, 4.000 in. Stroke, Chevy, 400, 2.100 Pin, Each

Part Number: CPI-SAO21A-MG

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Crankshaft, 1-piece Seal, Internal Balance, Forged 4340 Steel, 4.250 in. Stroke, 2.200 in. Pin, Chevy, 454

Part Number: CPI-IBP425-CS

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 22, 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: Dec 22, 2025 if ordered today

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F43 Lightweight

Part Number: SCA-435065LW

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Estimated Ship Date: Dec 10, 2025 if ordered today

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Crankshaft, Forged 4340 Steel, 4.000 in. Stroke, Internal Balance, 8 Counterweight, Chevy, Small Block, Gen V, Each

Part Number: CPI-5TO-31Q-CS

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Estimated Ship Date: Jan 19, 2026 if ordered today

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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340, 4.000 in. Stroke, 2.45 Mains, Chevy, 5.7, 6.6L, Each

Part Number: MAN-190130

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Estimated Ship Date: Dec 1, 2025 if ordered today

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Crankshaft, 2-piece seal, Internal balance, Forged 4340 Steel, 3.800 in. Stroke, Chevy, 350, 2.100 Pin, Each

Part Number: CPI-SAK113-CS

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