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: Today

• Free Shipping

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

Part Number: SUM-180369

4.0 out of 5 stars ( 5 )

Estimated Ship Date: Today

• Free Shipping

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: Today

• Free Shipping

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: Today

• Free Shipping

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: Today

• Free Shipping

Crankshaft, Standard Weight, Forged 4340 Steel, 3.750 in. Stroke, Internal Balance, Ford, Modular V8, Each

Part Number: SCA-46L020

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

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

Part Number: ESP-440037505700

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

• Free Shipping

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

Part Number: ESP-104013750

4.2 out of 5 stars ( 5 )

Estimated Ship Date: Today

• Free Shipping

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: Today

• Free Shipping

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

Part Number: SCA-440056

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

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: Today

• Free Shipping

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

Part Number: SCA-910400

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

• Free Shipping

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: Today

• Free Shipping

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: Today

• Free Shipping

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

Part Number: SCA-435061LW

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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

Part Number: ESP-428137505950

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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

• Drop Ship
• Free Shipping
• Special Order

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: Today

• Free Shipping

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: Today

• Free Shipping

CRANKSHAFT

Part Number: SCA-773503760

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

SB Chevy Forged Steel crankshaft, 3.750 Stroke, Two Piece Rear Seal, Req. Narrowed Rod Bearings, Lightened, Nitride, Designed for 6.000 in. Rod

Part Number: SUM-SBC4003750

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

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

Part Number: ESP-103513750

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

• Drop Ship
• Free Shipping
• 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 23, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Crankshaft, Internal Balance, Cast Steel, 3.75 in. Stroke, Ford, 4.6L, Each

Part Number: ESP-102813750

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order