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 )

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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 )

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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 )

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• $50.00 Summit Bucks

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 )

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• 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 )

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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 )

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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 )

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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, 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 )

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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 )

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

Part Number: CPI-SAJ113-CS

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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, 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 )

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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.750 in. Stroke, Chevy, 400, Each

Part Number: SCA-440056

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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 )

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• Oversize $6.99
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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 )

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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 )

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

Part Number: SCA-435061LW

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Estimated Ship Date: Jan 29, 2026 if ordered today

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Crankshaft, Internal Balance, Forged 4340 Steel, 3.750 in. Stroke, Ford, 4.6L, Each

Part Number: ESP-428137505950

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Estimated Ship Date: Dec 29, 2025 if ordered today

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

Part Number: ESP-10352375057E

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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 )

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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 )

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CRANKSHAFT

Part Number: MAN-190360

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Estimated Ship Date: Jan 6, 2026 if ordered today

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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

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