Crankshafts

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 )

Estimated Ship Date: Monday 1/5/2026

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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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Estimated Ship Date: Monday 1/5/2026

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Crankshaft, Internal Balance, Forged 4340 Steel, 3.543 in. Stroke, Ford, 4.6L, Each

Part Number: ESP-428135435933

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Estimated Ship Date: Monday 1/5/2026

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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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Estimated Ship Date: Monday 1/5/2026

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302 2-PC REAR SEAL, STD WEIGHT CHEVY

Part Number: SCA-435005

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Estimated Ship Date: Mar 13, 2026 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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Estimated Ship Date: Monday 1/5/2026

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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 )

Estimated Ship Date: Monday 1/5/2026

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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: Feb 6, 2026 if ordered today

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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: Feb 9, 2026 if ordered today

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Crankshaft, 1-Piece Seal, Internal, External Balance, Forged 4340 Steel, 3.480 in. Stroke, Chevy, 350, Each

Part Number: SCA-435010L

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 12, 2026 if ordered today

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Crankshaft, Standard Weight, Forged 4340 Steel, 3.750 in. Stroke, Internal Balance, Ford, Modular V8, Each

Part Number: SCA-46L020

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Estimated Ship Date: Monday 1/5/2026

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F43 Lightweight

Part Number: SCA-435065LW

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Estimated Ship Date: Mar 11, 2026 if ordered today

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Crankshaft, Forged 4340, Internal Balance, 4.750 in. Stroke, 6.700 Rod, Chevy Big Block, 8.1L, Each

Part Number: SCA-481030

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Estimated Ship Date: Mar 9, 2026 if ordered today

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CRANKSHAFT

Part Number: SCA-773503760

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Estimated Ship Date: Monday 1/5/2026

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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: Feb 16, 2026 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-190158

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Estimated Ship Date: Feb 16, 2026 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: Feb 16, 2026 if ordered today

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Crankshaft, Internal Balance, Forged 4340 Steel, 3.750 in. Stroke, Ford, 4.6L, Each

Part Number: ESP-428137505950

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Estimated Ship Date: Feb 6, 2026 if ordered today

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Crankshaft, Internal Balance, Forged 4340 Steel, 3.554 in. Stroke, Ford, 4.6L, Each

Part Number: ESP-428135545933

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Feb 9, 2026 if ordered today

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Crankshaft, Standard Weight, Forged 4340 Steel, Internal Engine Balance, 3.622 in. Stroke, Chevy, 4.8L, 5.3L, 5.7L, 6.0L, Each

Part Number: SCA-4LS136262

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Estimated Ship Date: Mar 12, 2026 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: Mar 12, 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

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Estimated Ship Date: Mar 12, 2026 if ordered today

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CRANKSHAFT

Part Number: SCA-481029

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Estimated Ship Date: Mar 12, 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 12, 2026 if ordered today

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