Engine Crankshafts

Crankshaft, 2-piece Seal, Internal Balance, Forged 4340 Steel, 4.250 in. Stroke, 2.200 in. Pin, Chevy, 454

Part Number: CPI-BBP425-CS

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Monday 12/8/2025

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Crankshafts, Magnum, 4340 Steel, 4.00 in. Stroke, Internal Balance, 58X Reluctor, 1-Piece Main, 2.10 in. Diameter Journal, Lightened, Chevy, LS, Each

Part Number: CPI-APO31V-MG

Not Yet Reviewed

Estimated Ship Date: Monday 12/8/2025

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Crankshaft, Standard Weight, Forged 4340 Steel, 4.250 in. Engine Stroke, Ford, Big Block FE, Each

Part Number: SCA-4FE200

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 12/8/2025

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• $100 Summit Bucks

Crankshaft, 28 oz. External Balance, Lightweight, Cast Steel, 3.40 in. Stroke, Ford, 5.0L/302, Each

Part Number: SCA-93023

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 12/8/2025

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• $50 Summit Bucks

Crankshaft, 28 oz. External Balance, Forged 4340 Steel, 3.400 in. Stroke, Ford, 302, Each

Part Number: SCA-43023

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Monday 12/8/2025

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• $100 Summit Bucks

Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.000 in. Stroke, Chrysler, 360, Each

Part Number: SCA-436020

Not Yet Reviewed

Estimated Ship Date: Monday 12/8/2025

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Crankshaft, Internal Balance, Cast Steel, 3.75 in. Stroke, Chevy, 350 Mains, Each

Part Number: SCA-935056

3.78 out of 5 stars ( 9 )

Estimated Ship Date: Monday 12/8/2025

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• $50 Summit Bucks

Crankshaft, Cast Steel, Two Piece Rear Main Seal, 3.480 in. Stroke, Use With 5.70 in. Rod, Chevy, 350, Each

Part Number: SCA-935010

5.0 out of 5 stars ( 11 )

Estimated Ship Date: Monday 12/8/2025

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• $50 Summit Bucks

Crankshaft, 28 oz. External Balance, Cast Steel, 3.850 in. Stroke, Ford, 351W, Each

Part Number: SCA-9351W10

4.25 out of 5 stars ( 4 )

Estimated Ship Date: Monday 12/8/2025

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Crankshaft, Series 9000 Cast Lightweight Stroker, 4.250 in. Stroke, Internal Balance, Ford, Big Block FE, Each

Part Number: SCA-9FE200

Not Yet Reviewed

Estimated Ship Date: Monday 12/8/2025

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Crankshaft, 2-piece Seal, Internal Balance, Forged 4340 Steel, 4.250 in. Stroke, 2.200 in. Pin, Chevy, 454

Part Number: CPI-BBP42B-MG

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 12/8/2025

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Crankshaft, Cast Steel, One Piece Rear Main Seal, 3.750 in. Stroke, 5.70 in. or Longer Rod, Chevy, 350, Each

Part Number: SCA-935050L

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 12/8/2025

• Oversize $6.99
• $50 Summit Bucks

Crankshaft, 2-piece Seal, Internal Balance, Forged 4340 Steel, 4.750 in. Stroke, 2.200 in. Pin, Chevy, 454

Part Number: CPI-BBS42B-MG

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Estimated Ship Date: Monday 12/8/2025

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Crankshaft, Cast Steel, One Piece Rear Main Seal, 3.750 in. Stroke, Use With 6.00 in. Rod, Chevy, 350, Each

Part Number: SCA-935060L

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 12/8/2025

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• $50 Summit Bucks

Crankshaft, 2-piece seal, Internal balance, Forged 4340 Steel, 4.250 in. Stroke, 2.200 Pin, Mopar, Each

Part Number: CPI-GEP-62L-CS

Not Yet Reviewed

Estimated Ship Date: Monday 12/8/2025

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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 )

Estimated Ship Date: Monday 12/8/2025

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Crankshaft, 2-Piece Seal, External Balance, Forged 4340 Steel, 4.000 in. Stroke, 6.135 Rod, Chevy, 454, Each

Part Number: SCA-445410

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 12/8/2025

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• $100 Summit Bucks

Crankshaft, 2-piece Seal, Internal Balance, Forged 4340 Steel, 3.750 in. Stroke, 2.100 in. Pin, Chevy, 350

Part Number: CPI-SAJ113-CS

Not Yet Reviewed

Estimated Ship Date: Monday 12/8/2025

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Crankshaft, Cast Steel, 4.250 in. Stroke, Chevy, 454, Internal Balance, 2-Piece Seal, Each

Part Number: SCA-945425

3.25 out of 5 stars ( 4 )

Estimated Ship Date: Monday 12/8/2025

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• $50 Summit Bucks

Crankshaft, Internal Balance, Cast Steel, 3.75 in. Stroke, Fits With 6 in. Rods, Chevy, 400, Each

Part Number: SCA-940056

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 12/8/2025

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Crankshaft, 28 oz. External Balance, Forged 4340 Steel, 3.250 in. Stroke, Ford, 302, Each

Part Number: SCA-43022

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 12/8/2025

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• $100 Summit Bucks

Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.480 in. Stroke, Chevy, 350, Each

Part Number: SCA-435010

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 12/8/2025

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• $100 Summit Bucks

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

Part Number: NAL-12736808

Not Yet Reviewed

Estimated Ship Date: Monday 12/8/2025

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Crankshaft, 2-piece Seal, Internal Balance, Forged 4340 Steel, 4.000 in. Stroke, Chevy, 409, Each

Part Number: SCA-440910

Not Yet Reviewed

Estimated Ship Date: Monday 12/8/2025

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• $100 Summit Bucks

Crankshaft, Standard Weight, Forged 4340 Steel, 4.250 in. Stroke, Internal Balance, Chevy, 454, Each

Part Number: SCA-445425C

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 12/8/2025

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• $100 Summit Bucks