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 )

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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, Forged 4130 Steel, 92.7mm Stroke, Internal Balance, MR3E, Ford, Modular V8, Each

Part Number: FMS-M-6303-M50B

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

Part Number: SCA-910526

4.1 out of 5 stars ( 10 )

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• Oversize $6.99

Crankshaft, 1-Piece Seal, External Balance, Cast Steel, 3.750 in. Stroke, Chevy, 350 main, 383 stroker, Each

Part Number: SUM-180368

2.17 out of 5 stars ( 6 )

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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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Crankshaft, 1-Piece Seal, Internal/External Balance, Cast Steel, 3.48 in. Stroke, Chevy, Each

Part Number: ESP-103523480

4.53 out of 5 stars ( 32 )

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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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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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MODEL 'T' REPLACEMENT 1908-1927

Part Number: SCA-7T4000

5.0 out of 5 stars ( 2 )

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Crankshaft, 1-Piece Seal, Internal Balance, Forged 4340 Steel, 3.750 in. Stroke, Chevy, 5.7L, Each

Part Number: ESP-435337505700

5.0 out of 5 stars ( 2 )

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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 )

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Crankshaft, 1-Piece Seal, Internal Balance, Forged 4340 Steel, 4.250 in. Stroke, 6.385 Rod, Chevy, 454, Each

Part Number: SCA-445425L

5.0 out of 5 stars ( 1 )

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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 )

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Crankshaft, 1-Piece Seal, Internal Balance, Forged 4340 Steel, 3.480 in. Stroke, Chevy, 5.7L, Each

Part Number: ESP-435334805700

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

Part Number: SCA-46L020

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Crankshaft, Cast Steel, 3.819 in. Stroke, External Balance, 1-piece Rear Main Seal Style, Chevy, 6.5L Diesel

Part Number: SCA-965L3819

5.0 out of 5 stars ( 2 )

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Crankshaft, 1-Piece Seal, Internal Balance, 4340 Forged, 3.40 in. Stroke, Ford, Lincoln, Mercury, Each

Part Number: ESP-430234025400

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Crankshaft, 1-Piece Seal, External Balance, Cast Steel, Standard Snout, Chevy, Small Block, Each

Part Number: ESP-103523750

4.2 out of 5 stars ( 10 )

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Crankshaft, 1-Piece Seal, External Balance, Forged 4340 Steel, 4.250 in. Stroke, 6.135 Rod, Chevy, 454, Each

Part Number: SCA-445420L

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Estimated Ship Date: Jan 12, 2026 if ordered today

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Crankshaft, Forged Steel, Internal Engine Balance, Ford, 7.3L, Each

Part Number: FMS-M-6303-SD73

5.0 out of 5 stars ( 1 )

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Crankshaft, 28 oz.External Balance, Cast Steel, 3.25 in. Stroke, Ford, 302, Each

Part Number: ESP-103023252

1.0 out of 5 stars ( 1 )

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