1973 Crankshafts

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

Part Number: CPI-SAJ113-CC

Not Yet Reviewed

Estimated Ship Date: Jul 22, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Crankshaft, Magnum, 2-Piece Seal, Forged 4340 Steel, 4.250 in. Stroke, 6.250 in. Rods, 2.100 Pin, 400 Main, Big Block Post, Chevy, Small Block, Each

Part Number: CPI-SMP21A-MG

Not Yet Reviewed

Estimated Ship Date: Jul 22, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

4340 Forged Pro Series Big Block Post

Part Number: SCA-773507620

Not Yet Reviewed

Estimated Ship Date: Jun 29, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.350 in. Stroke, Chevy, Small Block, Each

Part Number: SCA-435011LW

Not Yet Reviewed

Estimated Ship Date: Jun 29, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

4340 Forged Pro Series

Part Number: SCA-435032-2

Not Yet Reviewed

Estimated Ship Date: Jun 29, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Engine Crankshaft Kit 66-90 CHV 6.0L

Part Number: EGN-123100

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

• Drop Ship
• Oversize $17.99
• Special Order

Crankshaft, 2-Piece Seal, Internal Balance, Forged, 4340 Steel, 4.000 in. Stroke, Chevy, 400, Each

Part Number: HRS-H404006012T

Not Yet Reviewed

Estimated Ship Date: Jun 17, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Crankshaft, Internal Balance, Forged 4340 Steel, 3.500 in. Stroke, Ford, 351W, Each

Part Number: ESP-435135006200

Not Yet Reviewed

Estimated Ship Date: Jun 17, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

351 FORD SUPERLIGHT

Part Number: SCA-4351C65-3

Not Yet Reviewed

Estimated Ship Date: Jun 29, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

351 PROCOMP LIGHTWEIGHT

Part Number: SCA-4351C65-2

Not Yet Reviewed

Estimated Ship Date: Jun 29, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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

Part Number: SCA-436020-2

Not Yet Reviewed

Estimated Ship Date: Jun 29, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

4340 Forged Superlight

Part Number: SCA-445425C-3

Not Yet Reviewed

Estimated Ship Date: Jun 29, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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

Part Number: SCA-435050-3

Not Yet Reviewed

Estimated Ship Date: Jun 29, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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

Part Number: SCA-435010-3

Not Yet Reviewed

Estimated Ship Date: Jun 29, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Engine Crankshaft Kit 70-90 CHV/GMC 7.4L

Part Number: EGN-123300

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

• Drop Ship
• Oversize $8.99
• Special Order

Crankshaft, 2-Piece Seal, Internal Balance, 4340 Forged Steel, 4.50 in. Stroke, Standard Snout, Chevrolet, Big Block, Each

Part Number: HRS-45445006535

Not Yet Reviewed

Estimated Ship Date: Jun 16, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Crankshaft, 2-Piece Seal, Internal Balance, Cast Steel, 4.25 in. Stroke, Pontiac, 455, Each

Part Number: ESP-104554250

Not Yet Reviewed

Estimated Ship Date: Jun 17, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Crankshaft, 2-piece seal, Internal balance, Forged 4340 Steel, 4.625 in. Stroke, 2.200 Pin, Mopar, Each

Part Number: CPI-GER-62L-CS

Not Yet Reviewed

Estimated Ship Date: Jul 22, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Crankshaft, Magnum, 2-Piece Seal, Forged 4340 Steel, 3.800 in. Stroke, 5.850 in. Rods, 2.100 Pin, 400 Main, Internal Balance, Chevy, Small Block, Each

Part Number: CPI-SAK21A-MG

Not Yet Reviewed

Estimated Ship Date: Jul 22, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Crankshaft, Standard Weight, Forged 4340 Steel, 3.625 in. Stroke, Internal Balance, Chevy, 350, Each

Part Number: SCA-435040

Not Yet Reviewed

Estimated Ship Date: Jun 29, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Crankshaft, Internal Balance, Forged 4340 Steel, 3.500 in. Stroke, Ford, 351W, SVO, Each

Part Number: ESP-435235006200

Not Yet Reviewed

Estimated Ship Date: Jun 16, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.000 in. Stroke, 6.385 Rod, Chevy, 454, Each

Part Number: SCA-445415

Not Yet Reviewed

Estimated Ship Date: Jul 1, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

4340 Forged Superlight

Part Number: SCA-435028-3

Not Yet Reviewed

Estimated Ship Date: Jun 29, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

454 2-PC REAR SEAL SUPERLIGHT

Part Number: SCA-445440-3

Not Yet Reviewed

Estimated Ship Date: Jun 29, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Crankshaft, 2-piece seal, Internal balance, Forged 4340 Steel, 3.760 in. Stroke, 2.200 Pin, Mopar, Each

Part Number: CPI-GE3-65L-CS

Not Yet Reviewed

Estimated Ship Date: Jul 22, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order