CHEVROLET Crankshafts

Crankshafts, Magnum, 4340 Steel, 4.00 in. Stroke, Internal Balance, 58X Reluctor, 1-Piece Main, 2.10 in. Diameter Journal, Lightened, Chevy, LS, Each

Part Number: CPI-APO31V-MG

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Crankshaft, 2-piece Seal, Internal Balance, Forged 4340 Steel, 4.250 in. Stroke, 2.200 in. Pin, Chevy, 454

Part Number: CPI-BBP42B-MG

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

• Free Shipping

Crankshaft, Magnum, 2-piece Rear Main Seal Style, Internal Engine Balance, Forged 4340 Steel, 4.500 in. Stroke, Standard Snout, Chevrolet, 7.4L, Each

Part Number: CPI-BBQ42B-MG

Not Yet Reviewed

• Free Shipping

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

Part Number: CPI-SMJ11A-MG

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

• Free Shipping
• Special Order

Crankshaft, 2-piece Seal, Internal Balance, Forged 4340 Steel, 4.750 in. Stroke, 2.200 in. Pin, Chevy, 454

Part Number: CPI-BBS42B-MG

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Crankshaft, 2-piece seal, Internal balance, Forged 4340 Steel, 4.000 in. Stroke, Chevy, 400, 2.100 Pin, Each

Part Number: CPI-SAO21A-MG

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

• Free Shipping
• Special Order

Crankshaft, Magnum, 1-Piece Seal, Forged 4340 Steel, 4.250 in. Stroke, 6.385 in Rod, 2.200 Pin, Internal Balance, Chevy, Big Block, GenV, GenVI, Each

Part Number: CPI-IBP42B-MG

Not Yet Reviewed

• Free Shipping
• Special Order

4340 Forged Superlight

Part Number: SCA-445405C-3

Not Yet Reviewed

Estimated Ship Date: Apr 14, 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, 2.100 Pin, Each

Part Number: CPI-SAF11A-MG

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

• Free Shipping
• Special Order

4340 Forged Superlight

Part Number: SCA-445415C-3

Not Yet Reviewed

Estimated Ship Date: Apr 14, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

4340 Forged Pro Series Big Block Post

Part Number: SCA-773505621

Not Yet Reviewed

Estimated Ship Date: Mar 31, 2026 if ordered today

• Free Shipping
• Special Order

4340 Forged Superlight

Part Number: SCA-435028-3

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Crankshaft, 2-Piece Seal, Internal Balance, Billet Steel, 4.250 in. Stroke, Chevrolet, Big Block, Each

Part Number: BRO-S0013

Not Yet Reviewed

• Free Shipping
• Special Order

Crankshaft, 2-Piece Seal, Internal Balance, Billet Steel, 4.500 in. Stroke, Chevrolet, Big Block, Each

Part Number: BRO-S0017

Not Yet Reviewed

• Free Shipping
• Special Order

4340 Forged Pro Series Lightweight

Part Number: SCA-445425C-2

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Crankshaft, Magnum, 2-Piece Seal, Forged 4340 Steel, 3.500 in. Stroke, 6.385 in. Rod, 2.200 Pin, Internal Balance, Chevy, Big Block, Each

Part Number: CPI-BBG42B-MG

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

350 1-PC REAR SEAL PROCOMP LIGHTWEIGHT

Part Number: SCA-435010L-2

Not Yet Reviewed

Estimated Ship Date: Apr 14, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

350 1-PC REAR SEAL SUPERLIGHT

Part Number: SCA-435010L-3

Not Yet Reviewed

Estimated Ship Date: Apr 10, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

4340 Forged Pro Series Lightweight

Part Number: SCA-445405C-2

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

4340 Forged Pro Series Lightweight

Part Number: SCA-445415C-2

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Crankshaft, Forged 4340 Steel, Superlite, 4.25 in. Stroke, Chevy, 454, 2-Piece Seal, Will Internal Balance

Part Number: SCA-445425-3

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 13, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

4340 Forged Superlight

Part Number: SCA-445425C-3

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Engine Crankshaft, Chevy 4-454-4375-6385-2 454 Big Block Forged 4340 Steel

Part Number: SCA-445426-2

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

4340 Forged Pro Series Lightweight

Part Number: SCA-445426C-2

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

4340 Forged Superlight

Part Number: SCA-445426C-3

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order