Crankshafts

Crankshaft, Pro LS, 4340 Forged Steel, 4 in. Stroke, 24X Reluctor, Lightened Rod Journals, Gun-drilled Mains, Internal balanced, LS1, Each

Part Number: SUM-180LS400024X

5.0 out of 5 stars ( 2 )

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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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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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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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Crankshaft, Forged 4340 Steel, 4.000 in. Stroke, Internal Balance, 8 Bolt, 58-tooth GM Reluctor, Dry Sump Post, Standard Snout, Chevy, Gen V, Each

Part Number: CPI-5UO-31V-AS

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Crankshaft, 1-Piece Seal, Internal Balance, Lightweight, 4340 Billet, 4.000 Stroke, Chevy, LS1, Each

Part Number: MAN-190858B

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Estimated Ship Date: Feb 25, 2026 if ordered today

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Crankshaft, Forged 4340 Steel, 4.000 in. Stroke, Internal Balance, 8 Bolt, 58-tooth GM Reluctor, Wet Sump Post, Standard Snout, Chevy, Gen V, Each

Part Number: CPI-5TO-31V-AS

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CRANKSHAFT-CHEVY LT1 4.000

Part Number: MAN-194258

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Estimated Ship Date: Feb 25, 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: Mar 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: Feb 25, 2026 if ordered today

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4340 Forged Pro Series Lightweight

Part Number: SCA-445415C-2

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Estimated Ship Date: Mar 19, 2026 if ordered today

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Crankshaft, Excalibur, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.000 in. Stroke, Chevy, 400, Each

Part Number: SCA-740086

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Estimated Ship Date: Mar 19, 2026 if ordered today

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

Part Number: SCA-4LS140065

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 19, 2026 if ordered today

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

Part Number: SCA-4LS140062

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Estimated Ship Date: Mar 19, 2026 if ordered today

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4340 Forged Pro Series Big Block Post

Part Number: SCA-773508620

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Estimated Ship Date: Mar 19, 2026 if ordered today

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4340 Forged Pro Series Big Block Post

Part Number: SCA-773508621

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Estimated Ship Date: Mar 19, 2026 if ordered today

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4340 Forged Superlight

Part Number: SCA-435087-3

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Estimated Ship Date: Mar 19, 2026 if ordered today

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