Crankshafts

Crankshaft, Compstar 4340 Forged LS, 4.000 Stroke, Internal Balance, 8 counterweight, 6-bolt Flange, Standard Snout. 58-tooth GM Reluctor, Ea.

Part Number: CPI-APO31Q-CS58

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Estimated Ship Date: Monday 11/24/2025

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Crankshafts, Magnum, 4340 Steel, 4.00 in. Stroke, Internal Balance, 58X Reluctor, 1-Piece Main, 2.10 in. Diameter Journal, Lightened, Chevy, LS, Each

Part Number: CPI-APO31V-MG

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Estimated Ship Date: Monday 11/24/2025

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Crankshaft, 2-Piece Seal, External Balance, Cast Steel, 4.000 in. Stroke, Chevy, 454, Each

Part Number: SCA-910454

4.92 out of 5 stars ( 12 )

Estimated Ship Date: Monday 11/24/2025

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• $50.00 Summit Bucks

Crankshaft, 4140 Steel, Forged, 4.000 in. Stroke, Chevy LS1, 24-Tooth Reluctor, Each

Part Number: ESP-534640006100

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Estimated Ship Date: Monday 11/24/2025

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Crankshaft, Forged 4340 Steel, 4.000 in. Stroke, Internal Balance, 6 Bolt, 58-tooth GM Reluctor, Long Snout, Chevy, Small Block, LS7, Each

Part Number: CPI-AWO-31V-AS

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Estimated Ship Date: Monday 11/24/2025

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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.000 in. Stroke, Chrysler, 360, Each

Part Number: SCA-436020

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Estimated Ship Date: Monday 11/24/2025

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Crankshaft, 2-Piece Seal, External Balance, Cast Steel, 4 in. Stroke, Chevy, Big Block, Each

Part Number: ESP-104544000

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 11/24/2025

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MODEL 'T' REPLACEMENT 1908-1927

Part Number: SCA-7T4000

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/24/2025

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Crankshaft, Forged 4340 Steel, 4.000 in. Stroke, Internal Balance, 6 Bolt, 58-tooth GM Reluctor, Standard Snout, Chevy, Small Block, LS, Each

Part Number: CPI-APO-31V-AS

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Estimated Ship Date: Monday 11/24/2025

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Crankshaft, 1-Piece Seal, Internal Balance, Forged 4140 Steel, 4.000 in. Stroke, 58-Tooth Reluctor, Chevy, LS, Each

Part Number: ESP-534740006100

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Estimated Ship Date: Monday 11/24/2025

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Crankshaft, 1-Piece Seal, External Balance, Cast Steel, 4.000 in. Stroke, Chevy, 454, Each

Part Number: SCA-910454L

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Monday 11/24/2025

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

Part Number: ESP-445440026135

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/24/2025

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Crankshaft, 1-Piece Seal, External Balance, Cast Steel, 4.00 in. Stroke, Chevy, 454, Each

Part Number: ESP-104564000

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 11/24/2025

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Crankshaft, 2-Piece Seal, External Balance, Cast Steel, 4.000 in. Stroke, Chevy, 454, Each

Part Number: SUM-180370

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/24/2025

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Crankshaft, 2-piece Seal, Internal Balance, Forged 4340 Steel, 4.000 in. Stroke, Chevy, 409, Each

Part Number: SCA-440910

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Estimated Ship Date: Monday 11/24/2025

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Crankshaft, 2-Piece Seal, Internal Balance, Cast Steel, 4.000 in. Stroke, Dodge, Plymouth, 340, Each

Part Number: SCA-934020

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Estimated Ship Date: Jan 29, 2026 if ordered today

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Crankshaft, 2-Piece Seal, Internal Balance, Cast Steel, 4.000 in. Stroke, Chrysler, 360, Each

Part Number: SCA-936020

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/24/2025

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Crankshaft, 2-Piece Seal, Internal Balance, Cast Steel, Mopar, Small Block 318, 340, 4.000 in. Stroke, Each

Part Number: ESP-103404000

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/24/2025

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

Part Number: ESP-434740006100

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.000 in. Stroke, 6.385 Rod, Chevy, 454, Each

Part Number: SCA-445415

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Estimated Ship Date: Jan 29, 2026 if ordered today

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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.000 in. Stroke, Chrysler, 360, Each

Part Number: SCA-436020-2

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Estimated Ship Date: Jan 29, 2026 if ordered today

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Crankshaft, 1-Piece Seal, Internal Balance, Forged 4340 Steel, 4 in. Stroke, Chevy, Small Block LS, Each

Part Number: SCA-4LS140062-S

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Estimated Ship Date: Jan 29, 2026 if ordered today

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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.000 in. Stroke, Chevy, 409, Each

Part Number: ESP-440940026135

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Estimated Ship Date: Dec 26, 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: Jan 29, 2026 if ordered today

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