Engine Crankshafts

Crankshaft, 2-Piece Seal, Internal Balance, Cast Steel, Standard Snout, Chevy, Small Block, Each

Part Number: ESP-103503480

4.83 out of 5 stars ( 36 )

Estimated Ship Date: Tomorrow

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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 )

Estimated Ship Date: Tomorrow

• Oversize $8.99

Crankshaft, Internal Balance, Forged 4340 Steel, 3.48 in. Stroke, Chevrolet, Small Block, Each

Part Number: MAN-190310

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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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, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.000 in. Stroke, Chevy, 327, Small Journal, Each

Part Number: ESP-432730005700

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Estimated Ship Date: Jun 18, 2026 if ordered today

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Crankshaft, Forged 4340 Steel, 4.125 in. Stroke, Internal Balance, 6 Bolt, 58-tooth GM Reluctor, Standard Snout, Chevy, Small Block, LS, Each

Part Number: CPI-APU-31V-AS

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Estimated Ship Date: Tomorrow

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Crankshaft, 2-Piece Seal, Internal Balance, Cast Steel, Mopar, Small Block 340, 3.310 in. Stroke, Each

Part Number: ESP-103403310

4.0 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.625 in. Stroke, Chevy, Small Block, Each

Part Number: SCA-435051LW

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Estimated Ship Date: Jun 29, 2026 if ordered today

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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.350 in. Stroke, Chevy, Small Block, Each

Part Number: SCA-435011LW

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Estimated Ship Date: Jun 29, 2026 if ordered today

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

Part Number: SCA-435021LW

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Estimated Ship Date: Jun 29, 2026 if ordered today

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351 SMALL BLOCK FORD

Part Number: SCA-9351C46

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Crankshaft, Magnum, 2-Piece Seal, Forged 4340 Steel, 3.800 in. Stroke, 5.850 in. Rods, 2.100 Pin, 400 Main, Internal Balance, Chevy, Small Block, Each

Part Number: CPI-SAK21A-MG

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Estimated Ship Date: Jul 22, 2026 if ordered today

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Counter Balance Plate, Steel, Chevy, Small Block 400, Each

Part Number: RAU-399-100

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Estimated Ship Date: Jun 5, 2026 if ordered today

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

Part Number: SCA-435072LW

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jun 29, 2026 if ordered today

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JOHN DEERE 9.0 L SMALL BLOCK 5.375 STROKE

Part Number: CPI-S32000

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Estimated Ship Date: Jul 22, 2026 if ordered today

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

Part Number: SCA-435022LW

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Estimated Ship Date: Tomorrow

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Crankshaft, 1-Piece Seal, Internal Balance, Forged 4340 Steel, 4 in. Stroke, Chevy, Small Block LS, Each

Part Number: SCA-4LS140062-S

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Estimated Ship Date: Jul 3, 2026 if ordered today

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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.500 in. Stroke, Chevy, Small Block, Each

Part Number: SCA-435030LW

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Estimated Ship Date: Jul 1, 2026 if ordered today

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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.500 in. Stroke, Chevy, Small Block, Each

Part Number: SCA-435031LW

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Estimated Ship Date: Jun 29, 2026 if ordered today

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

Part Number: SCA-435041LW

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Estimated Ship Date: Jul 2, 2026 if ordered today

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Crankshafts, Pro Series, Forged 4340 Steel, Lightweight, 3.400 in. Stroke, Standard Snout, Use 28 oz. Balancer, Ford Small Block, 302, Each

Part Number: SCA-43023-2

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Estimated Ship Date: Jun 29, 2026 if ordered today

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Crankshaft, Magnum, 2-Piece Seal, Forged 4340 Steel, 4.250 in. Stroke, 6.250 in. Rods, 2.100 Pin, 400 Main, Big Block Post, Chevy, Small Block, Each

Part Number: CPI-SMP21A-MG

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Estimated Ship Date: Jul 22, 2026 if ordered today

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Crankshaft, Magnum, 2-Piece Seal, Forged 4340 Steel, 4.000 in. Stroke, 6.000 in. Rods, 2.000 Pin, 400 Main, Internal Balance, Chevy, Small Block, Each

Part Number: CPI-SAO24A-MG

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Estimated Ship Date: Jul 22, 2026 if ordered today

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Crankshaft, Forged 4340 Steel, 4.250 in. Stroke, Internal Balance, 6 Bolt, 58-tooth GM Reluctor, Standard Snout, Chevy, Small Block, LS, Each

Part Number: CPI-APP-31V-AS

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Estimated Ship Date: Jul 22, 2026 if ordered today

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3.480" stroke, internal balance, cast mild steel, Chevrolet small block 1pc rear seal, IMCA legal

Part Number: ESP-103523480CM

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Estimated Ship Date: Jun 19, 2026 if ordered today

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