CHEVROLET Chevy small block Gen III/IV (LS-based engines) 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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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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Summit Chevy LS 4340 Forged Steel Crankshaft, 4.000 stroke, 58X Reluctor, Gun-drilled and Lightened, Nitride Hardened, Narrowed Rod Bearings Req.

Part Number: SUM-180LS400058

5.0 out of 5 stars ( 1 )

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Pro LS 4340 Forged Steel Crank, 4.000 Stroke, 58X Reluctor, Lightened Rod Journals and Gun-drilled Mains, Std. 6-bolt Flange, Internal balanced, LS3

Part Number: SUM-180LS400058X

4.83 out of 5 stars ( 6 )

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Crankshaft, One-piece Seal, Internal Balance, Forged Steel, 3.622 in. Stroke, Cadillac, Chevy, 6.2L, Each

Part Number: NAL-12641691

5.0 out of 5 stars ( 3 )

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Crankshaft, Remanufactured, Nodular Iron, 3.622 in. Stroke, 0.010 Undersize Bearing Required, 24-Tooth Reluctor, Chevy, LS, Each

Part Number: SUM-180362

3.42 out of 5 stars ( 12 )

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Pro LS 4340 Forged Steel Crank, 3.622 Stroke, 58X Reluctor, Lightened Rod Journals and Gun-drilled Mains, Std. 6-bolt Flange, Internal balanced, LS3

Part Number: SUM-180LS362258X

5.0 out of 5 stars ( 1 )

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Summit Chevy LS 4340 Forged Steel Crankshaft, 3.622 stroke, 58X Reluctor, Gun-drilled and Lightened, Nitride Hardened, Narrowed Rod Bearings Req.

Part Number: SUM-180LS362258

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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: May 8, 2025 if ordered today

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Summit Chevy LS 4340 Forged Steel Crankshaft, 3.622 stroke, 24X Reluctor, Gun-drilled and Lightened, Nitride Hardened, Narrowed Rod Bearings Req.

Part Number: SUM-180LS362224

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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: ESP-434640006100

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Crankshaft, 1-Piece Seal, Internal Balance, Forged 4340 Steel, 3.622 in. Stroke, Chevy, LS, Each

Part Number: ESP-434736226100

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Crankshaft, One-piece Seal, Internal Balance, Forged 4140 Steel, 3.622 in. Stroke, 6.100 in. Rod Length, Chevrolet, Small Block LS, Each

Part Number: ESP-534636226100

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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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Chevy LS 4340 Forged Steel Crankshaft, 4.000 stroke, 24X Reluctor, Lightened, Nitride Hardened, Narrowed Rod Bearings Req.

Part Number: SUM-180LS400024

3.0 out of 5 stars ( 2 )

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Crankshaft, 3.622 in. Stroke, Nodular Iron, Internal Balance, 1-Piece, 58 Tooth Reluctor, LS2, Each

Part Number: NAL-12736808

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Crankshaft, 1-Piece Seal, Internal Balance, Forged 4340 Steel, 4.125 in. Stroke, Chevy, Each

Part Number: ESP-434641256100

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Estimated Ship Date: Jun 2, 2025 if ordered today

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Crankshaft, 1-Piece Seal, Internal Balance, Forged 4340 Steel, 3.622 in. Stroke, Chevy, 5.7, 6.0L, Each

Part Number: ESP-434636226100

5.0 out of 5 stars ( 1 )

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Crankshaft, 1-Piece Seal, Internal Balance, Forged 4340 Steel, 4.125 in. Stroke, Chevy, 7.0L, Each

Part Number: ESP-442741256100

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Estimated Ship Date: Jun 2, 2025 if ordered today

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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: Jul 28, 2025 if ordered today

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Crankshaft, 1-Piece Seal, Internal Balance, Forged 4340 Steel, 4.000 in. Stroke, Chevy, 7.0L, Each

Part Number: ESP-442740006100

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Crankshaft, Compstar 4340 Forged LS, 4.000 Stroke, Internal Balance, 8 counterweight, 6-bolt Flange, Standard Snout, Each

Part Number: CPI-APO-31Q-CS

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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: Jun 30, 2025 if ordered today

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Crankshaft, Standard Weight, Forged 4340 Steel, 4.125 in. Stroke, Internal Balance, Chevy, 6.0L, 6.2L, 7.0L

Part Number: SCA-4LS141265

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Estimated Ship Date: Jun 24, 2025 if ordered today

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