Engine Crankshafts

Crankshaft, Internal Balance, Forged 4340 Steel, 4.500 in. Stroke, Chevy, Big Block, Tall Deck, Each

Part Number: ESP-445445006535

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.625 in. Stroke, Chrysler, 413, 426, 440, Each

Part Number: ESP-444246257100

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Estimated Ship Date: May 14, 2026 if ordered today

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Crankshaft, 1-Piece Seal, Internal Balance, Forged 4340 Steel, 3.900 in. Stroke, Chevy, 5.7, 6.0L, Each

Part Number: ESP-434639006100

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Estimated Ship Date: May 14, 2026 if ordered today

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Crankshaft, Internal Balance, Forged 4340 Steel, 3.937 in. Stroke, Mitsubishi, 2.0L, Each

Part Number: ESP-2439375900A6

5.0 out of 5 stars ( 1 )

Estimated Ship Date: May 14, 2026 if ordered today

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Crankshaft, Internal Balance, Forged 4340 Steel, 3.465 in. Stroke, Mitsubishi, 2.0L, Each

Part Number: ESP-2034655900A6

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Estimated Ship Date: May 14, 2026 if ordered today

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Crankshaft, 1 or 2-Piece Seal, 28 oz. External Balance, Cast Steel, 3.75 in. Stroke, Ford, 351W, Each

Part Number: ESP-103513750

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Estimated Ship Date: May 13, 2026 if ordered today

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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.250 in. Stroke, Chrysler, 413, 426, 440, Each

Part Number: ESP-444242507100

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Estimated Ship Date: May 14, 2026 if ordered today

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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.562 in. Stroke, Chevy, 350, Each

Part Number: ESP-435035625700

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Estimated Ship Date: May 14, 2026 if ordered today

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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.480 in. Stroke, Chevy, 400, Each

Part Number: ESP-440034805700

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Estimated Ship Date: May 13, 2026 if ordered today

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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.375 in. Stroke, Chrysler, 413, 426, 440, Each

Part Number: ESP-444243757100

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Estimated Ship Date: May 14, 2026 if ordered today

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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.150 in. Stroke, Chrysler, 361, 383, 400, Each

Part Number: ESP-440041506760

5.0 out of 5 stars ( 1 )

Estimated Ship Date: May 14, 2026 if ordered today

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Crankshaft, 2-Piece Seal, Internal Balance, Cast Steel, 4.125 in. Stroke, Ford, V8, Flathead, 8BA, Each

Part Number: ESP-102394125

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Estimated Ship Date: May 14, 2026 if ordered today

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Crankshaft, 2-Piece Seal, Internal Balance, Cast Steel, 4.000 in. Stroke, Ford, V8, Flathead, 8BA, Each

Part Number: ESP-102394000

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Estimated Ship Date: May 14, 2026 if ordered today

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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.125 in. Stroke, Chevy, 400, Each

Part Number: ESP-440041256000

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Estimated Ship Date: May 14, 2026 if ordered today

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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.210 in. Stroke, 2.249 Rod Bearings, Each

Part Number: ESP-440042106625

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Estimated Ship Date: May 14, 2026 if ordered today

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Crankshaft, 2-Piece Seal, Internal Balance, Cast Steel, 4.140 in. Stroke, Ford, 460, Each

Part Number: ESP-104604140

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Estimated Ship Date: May 14, 2026 if ordered today

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Crankshaft, 1-Piece Seal, Internal Balance, Cast Steel, Standard Snout, 3.750 in. Stroke, Chevy, 350, Each

Part Number: ESP-103523750571

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.210 in. Stroke, Pontiac, 455, Each

Part Number: ESP-445542106625

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Estimated Ship Date: May 14, 2026 if ordered today

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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 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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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 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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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 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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

Part Number: SUM-180366

4.31 out of 5 stars ( 13 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Pro LS 4340 Forged Steel Crank, 3.622 Stroke, 24X Reluctor, Lightened Rod Journals and Gun-drilled Mains, Std. 6-bolt Flange, Internal balanced, LS1

Part Number: SUM-180LS362224X

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Crankshaft, 2-Piece Seal, Internal Balance, Cast Steel, 3.480 in. Stroke, Chevy, 350, Each

Part Number: SCA-910442

4.56 out of 5 stars ( 18 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Crankshaft, 2-Piece Seal, Internal Balance, Cast Steel, 3.480 in. Stroke, Chevy, 350, Each

Part Number: SUM-180365

4.44 out of 5 stars ( 16 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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