Crankshafts

Crankshaft, 2-Piece Seal, External Balance, Cast Steel, 3.750 in. Stroke, Chevy, 350 main, 383 stroker, Each

Part Number: SUM-180367

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 11/24/2025

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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.750 in. Stroke, Chevy, 350, Each

Part Number: ESP-435037505700

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/24/2025

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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 11/24/2025

• Oversize $6.99
• $50.00 Summit Bucks

Crankshaft, 2-Piece Seal, Internal Balance, Cast Steel, 3.75 in. Stroke, Chevy, 350, Each

Part Number: ESP-10350375057I

4.25 out of 5 stars ( 4 )

Estimated Ship Date: Monday 11/24/2025

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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 11/24/2025

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• $50.00 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 11/24/2025

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• $100.00 Summit Bucks

Crankshaft, 2-Piece Seal, External Balance, Cast Steel, 3.75 in. Stroke, Chevy, 350, Each

Part Number: ESP-103503750

5.0 out of 5 stars ( 10 )

Estimated Ship Date: Monday 11/24/2025

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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 )

Estimated Ship Date: Monday 11/24/2025

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Crankshaft, Cast Steel, Two Piece Rear Main Seal, 3.750 in. Stroke, Use With 5.70 in. Rod, Chevy, 350, Each

Part Number: SCA-935050

4.0 out of 5 stars ( 8 )

Estimated Ship Date: Monday 11/24/2025

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• $50.00 Summit Bucks

Crankshaft, 2-Piece Seal, Internal Balance, Forged 4140 Steel, 3.750 in. Stroke, Chevy, 5.7L, Stroker, Each

Part Number: ESP-535037505700

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 11/24/2025

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Crankshaft, Cast Steel, 3.750 in. Stroke, Chevy, 400, OEM Balance, 2-Piece Seal, Each

Part Number: SCA-940050

2.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 11/24/2025

• Oversize $6.99
• $50.00 Summit Bucks

Crankshaft, 2-piece Seal, External Balance, Cast Steel, 3.750 in. Stroke, Chevy, 350, Each

Part Number: SCA-9103750

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/24/2025

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• $50.00 Summit Bucks

Crankshaft, Compstar, 2-piece Rear Main Seal Style, Internal Engine Balance, Forged 4340 Steel, 3.480 in. Stroke, Lightened, Chevrolet, 5.7L, Each

Part Number: CPI-SAF143-CC

Not Yet Reviewed

Estimated Ship Date: Monday 11/24/2025

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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: Jan 29, 2026 if ordered today

• Drop Ship
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• $100.00 Summit Bucks
• Special Order

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

Part Number: SCA-9-103750L

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 11/24/2025

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• $50.00 Summit Bucks

Crankshaft, 1-Piece Seal, Internal/External Balance, Cast Steel, 3.75 in. Stroke, Chevy, 5.7L, Each

Part Number: ESP-10352375057E

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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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: Monday 11/24/2025

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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.500 in. Stroke, Chevy, 350, Each

Part Number: ESP-4350350057FW

Not Yet Reviewed

Estimated Ship Date: Dec 26, 2025 if ordered today

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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.750 in. Stroke, Chevy, 350, Each

Part Number: ESP-4350375057LA

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/24/2025

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Gen. 1.5 LT1 Forged Steel Crankshaft, 3.750 stroke, 5.700 Rod, Lightened, bull-nose counterweights, Nitride Hardened, 1 piece rear main seal

Part Number: SUM-SBCLT37501P

Not Yet Reviewed

Estimated Ship Date: Monday 11/24/2025

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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

Not Yet Reviewed

Estimated Ship Date: Monday 11/24/2025

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4340 Forged Superlight

Part Number: SCA-435028-3

Not Yet Reviewed

Estimated Ship Date: Jan 29, 2026 if ordered today

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• $100.00 Summit Bucks
• Special Order

Crankshaft, 1-Piece Seal, Internal Balance, Cast Steel, 3.75 in. Stroke, Chevy, 5.7L, Each

Part Number: ESP-10352375057I

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Dec 29, 2025 if ordered today

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• Free Shipping
• Special Order

Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.500 in. Stroke, Chevy, 350, Each

Part Number: ESP-4350350057LA

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Dec 29, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order