1974 Crankshafts

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: Dec 22, 2025 if ordered today

• Free Shipping
• Special Order

Crankshaft, 2-piece seal, Internal balance, Forged 4340 Steel, 3.875 in. Stroke, Chevy, 350, 2.100 Pin, Each

Part Number: CPI-SAM11A-MG

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

• Free Shipping
• Special Order

Crankshaft, Magnum, 2-Piece Seal, Forged 4340 Steel, 3.875 in. Stroke, 6.385 in. Rod, 2.200 Pin, Internal Balance, Chevy, Big Block, Each

Part Number: CPI-BBM42B-MG

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

• Free Shipping
• Special Order

Crankshaft, Magnum, 2-Piece Seal, Forged 4340 Steel, 4.250 in. Stroke, 6.385 in. Rod, 2.100 Pin, Internal Balance, Chevy, Big Block, Each

Part Number: CPI-BBP43B-MG

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

• Free Shipping
• Special Order

Crankshaft, 2-piece seal, Internal balance, Forged 4340 Steel, 4.625 in. Stroke, Chevy, 454, 2.200 Pin, Each

Part Number: CPI-BBR42B-MG

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

• Free Shipping
• Special Order

Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.125 in. Stroke, Custom Order, Chevy, 454

Part Number: CRO-LW95130

Not Yet Reviewed

Estimated Ship Date: Jan 27, 2026 if ordered today

• Free Shipping
• Special Order

Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.500 in. Stroke, Custom Order, Chevy, 454

Part Number: CRO-LW95137

Not Yet Reviewed

Estimated Ship Date: Jan 27, 2026 if ordered today

• Free Shipping
• Special Order

Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.625 in. Stroke, Custom Order, Chevy, 454

Part Number: CRO-LW95139

Not Yet Reviewed

Estimated Ship Date: Jan 27, 2026 if ordered today

• Free Shipping
• Special Order

Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.250 in. Stroke, Custom Order, Chevy, 454

Part Number: CRO-ML95135

Not Yet Reviewed

Estimated Ship Date: Jan 27, 2026 if ordered today

• Free Shipping
• Special Order

Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.500 in. Stroke, Custom Order, Chevy, 454

Part Number: CRO-ML95137

Not Yet Reviewed

Estimated Ship Date: Jan 27, 2026 if ordered today

• Free Shipping
• Special Order

Crankshaft, 2-Piece Seal, Internal Balance, Billet Steel, Custom Order, Ford, 351C, Each

Part Number: CRO-95186C

Not Yet Reviewed

Estimated Ship Date: Jan 27, 2026 if ordered today

• Free Shipping
• Special Order

Crankshaft, Custom Stroke, Custom Balance, Billet Steel, 2-piece Rear Main Seal Style, Ford, 429, 460, Each

Part Number: CRO-95187C

Not Yet Reviewed

Estimated Ship Date: Jan 27, 2026 if ordered today

• Free Shipping
• Special Order

Crankshaft, Forged 4340 Steel, 3.480 in. Stroke, 2-piece Rear Main, Internal Engine Balance, Chevy, 305, 350

Part Number: CRO-E95121X4

Not Yet Reviewed

Estimated Ship Date: Jan 27, 2026 if ordered today

• Free Shipping
• Special Order

Crankshaft, Enduro, 3.750 in. Stroke, Custom Balance, Forged 4340 Steel, 2-piece Rear Main Seal Style, Chevy

Part Number: CRO-E95125X4

Not Yet Reviewed

Estimated Ship Date: Jan 27, 2026 if ordered today

• Free Shipping
• Special Order

Crankshaft, Forged 4340 Steel, 3.875 in. Stroke, 2-piece Rear Main, Internal Engine Balance, Chevy, 350, 400

Part Number: CRO-E95127X4

Not Yet Reviewed

Estimated Ship Date: Jan 27, 2026 if ordered today

• Free Shipping
• Special Order

Crankshaft, Forged 4340 Steel, 4.000 in. Stroke, 2-piece Rear Main, Internal Engine Balance, Chevy, 350, 400

Part Number: CRO-E95128X4

Not Yet Reviewed

Estimated Ship Date: Jan 27, 2026 if ordered today

• Free Shipping
• Special Order

Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4 in. Stroke, Chevy, 454, Each

Part Number: CRO-E95133X4

Not Yet Reviewed

Estimated Ship Date: Jan 27, 2026 if ordered today

• Free Shipping
• Special Order

Crankshaft, 2-Piece Seal, External Balance, Forged 4340 Steel, 4.25 in. Stroke, Custom Order, Chevy, 454, Each

Part Number: CRO-E95135X4

Not Yet Reviewed

Estimated Ship Date: Jan 27, 2026 if ordered today

• Free Shipping
• Special Order

Crankshaft, 2-Piece Seal, External Balance, Forged 4340 Steel, 4.375 in. Stroke, Custom Order, Chevy, 454

Part Number: CRO-E95136X4

Not Yet Reviewed

Estimated Ship Date: Jan 27, 2026 if ordered today

• Free Shipping
• Special Order

Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.50 in. Stroke, Chevy, 454, Each

Part Number: CRO-E95137X4

Not Yet Reviewed

Estimated Ship Date: Jan 27, 2026 if ordered today

• Free Shipping
• Special Order

Crankshaft, 2-Piece Seal, External Balance, Forged 4340 Steel, 4.625 in. Stroke, Custom Order, Chevy, 454

Part Number: CRO-E95139X4

Not Yet Reviewed

Estimated Ship Date: Jan 27, 2026 if ordered today

• Free Shipping
• Special Order

Crankshaft, 2-piece seal, Internal balance, Forged 4340 Steel, 3.875 in. Stroke, Chevy, Each

Part Number: CRO-95127

Not Yet Reviewed

Estimated Ship Date: Jan 27, 2026 if ordered today

• Free Shipping
• Special Order

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

Part Number: CRO-UL95133

Not Yet Reviewed

Estimated Ship Date: Jan 27, 2026 if ordered today

• Free Shipping
• Special Order

Crankshaft, Internal/External Balance, Cast Iron, 3.58 in. Stroke, Chrysler, 318, 340, Each

Part Number: DCC-P5007257

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

• Free Shipping
• Special Order

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

Part Number: ESP-435640006000

Not Yet Reviewed

• Free Shipping
• Special Order