Engines & Components

Crankshaft, Pro LS, 4340 Forged Steel, 4 in. Stroke, 24X Reluctor, Lightened Rod Journals, Gun-drilled Mains, Internal balanced, LS1, Each

Part Number: SUM-180LS400024X

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

• Free Shipping

Pro LS 4340 Forged Steel Crank, 4.000 Stroke, 58X Reluctor, Lightened Rod Journals and Gun-drilled Mains, Std. 6-bolt Flange, Internal balanced, LS3

Part Number: SUM-180LS400058X

4.83 out of 5 stars ( 6 )

Estimated Ship Date: Tomorrow

• Free Shipping

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: Tomorrow

• Free Shipping

Crankshaft, 4140 Steel, Forged, 4.000 in. Stroke, Chevy LS1, 24-Tooth Reluctor, Each

Part Number: ESP-534640006100

Not Yet Reviewed

Estimated Ship Date: Tomorrow

• Free Shipping

Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.766 in. Stroke, Chevy, 396, 427, Each

Part Number: ESP-439637666135

4.67 out of 5 stars ( 6 )

Estimated Ship Date: Tomorrow

• Free Shipping

Pro LS 4340 Forged Steel Crank, 3.622 Stroke, 58X Reluctor, Lightened Rod Journals and Gun-drilled Mains, Std. 6-bolt Flange, Internal balanced, LS3

Part Number: SUM-180LS362258X

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

• Free Shipping

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: Tomorrow

• Free Shipping
• $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: Tomorrow

• Free Shipping
• $100 Summit Bucks

Crankshaft, Internal Balance, Forged 4340 Steel, 4.000 in. Stroke, Ford, 351W, Each

Part Number: ESP-435140006200

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

• Free Shipping

Crankshaft, 1-Piece Seal, Internal Balance, Forged 4140 Steel, 4.000 in. Stroke, 58-Tooth Reluctor, Chevy, LS, Each

Part Number: ESP-534740006100

Not Yet Reviewed

Estimated Ship Date: Tomorrow

• 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: Jan 5, 2026 if ordered today

• Free Shipping
• Special Order

Crankshaft, 2-piece Seal, Internal Balance, Forged 4340 Steel, 3.480 in. Stroke, 2.100 in. Pin, Chevy, 350

Part Number: CPI-SAF113-CM

Not Yet Reviewed

Estimated Ship Date: Tomorrow

• Free Shipping

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: Tomorrow

• Free Shipping

Crankshaft, Forged 4340 Steel, Std. Weight, 3.75 in. Stroke, Chevy, 350, 2-Piece Seal, Internal Balance, Each

Part Number: SCA-435050

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 9, 2026 if ordered today

• Free Shipping
• $100 Summit Bucks
• Special Order

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

• Free Shipping

Crankshaft, Internal Balance, Forged 4340 Steel, 4.000 in. Stroke, Ford, 351W, Cleveland Mains, Each

Part Number: SCA-4351C50

Not Yet Reviewed

Estimated Ship Date: Jan 13, 2026 if ordered today

• Free Shipping
• $100 Summit Bucks

Crankshaft, Internal Balance, Forged 4340 Steel, 3.250 in. Stroke, Ford, 302, Each

Part Number: ESP-430232525400

Not Yet Reviewed

Estimated Ship Date: Tomorrow

• Free Shipping

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: Tomorrow

• Free Shipping

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

Part Number: ESP-445440026135

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

• Free Shipping

Gen. 4 BB Chevy Forged Steel Crank, 4.250 stroke, Two Piece Rear Seal, Req's Narrowed Rod Bearings, Lightened holes, Nitride, 6.385 in. Rod

Part Number: SUM-BBC425063851

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

• Free Shipping

Cylinder Head, S/R Torquer, Cast Iron, Assembled, 76cc Chamber, 170cc Intake, Chevy, 302, 327, 350, 400, Each

Part Number: WRL-042670-1

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

• Free Shipping

Crankshaft, 1-Piece Seal, Internal Balance, Forged 4340 Steel, 3.622 in. Stroke, Chevy, LS, Each

Part Number: ESP-434736226100

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

• 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: Dec 8, 2025 if ordered today

• Free Shipping

SB Mopar 340 Forged Steel Crank, 4.000 stroke, 6.123 in. Rod, May Req. Heavy Metal, Lightning Holes on Rod Journals, Narrowed Rod Bearings Req.

Part Number: SUM-MOP3404000

Not Yet Reviewed

Estimated Ship Date: Tomorrow

• Free Shipping