CHEVROLET Chevy small block Gen I Crankshafts

Crankshaft, Magnum, 2-Piece Seal, Forged 4340 Steel, 3.400 in. Stroke, 5.700 in. Rods, 2.000 Pin, 350 Main, Internal Balance, Chevy, Small Block, Each

Part Number: CPI-SAW14A-MG

Not Yet Reviewed

Estimated Ship Date: Jan 16, 2026 if ordered today

• Free Shipping
• Special Order

Crankshaft, Magnum, 2-Piece Seal, Forged 4340 Steel, 3.335 in. Stroke, 5.700 in. Rods, 2.000 Pin, 350 Main, Internal Balance, Chevy, Small Block, Each

Part Number: CPI-SAX14A-MG

Not Yet Reviewed

Estimated Ship Date: Jan 16, 2026 if ordered today

• Free Shipping
• Special Order

Crankshaft, Magnum, 2-Piece Seal, Forged 4340 Steel, 3.000 in. Stroke, 5.700 in. Rods, 2.000 Pin, Internal Balance, Chevy, Small Block, Each

Part Number: CPI-SAD14A-MG

Not Yet Reviewed

Estimated Ship Date: Jan 16, 2026 if ordered today

• Free Shipping
• Special Order

Crank, 2-piece Seal, Internal Balance, Forged 4340 Steel, 3.750 in. Stroke, 2.100 in. Pin, Chevy, 400, BB Post

Part Number: CPI-SMJ21A-MG

Not Yet Reviewed

Estimated Ship Date: Jan 16, 2026 if ordered today

• Free Shipping
• Special Order

Crankshaft, Magnum, 2-Piece Seal, Forged 4340 Steel, 3.480 in. Stroke, 5.700 in. Rods, 1.888 Pin, Internal Balance, Chevy, Small Block, Each

Part Number: CPI-SAF19A-MG

Not Yet Reviewed

Estimated Ship Date: Jan 16, 2026 if ordered today

• Free Shipping
• Special Order

Crankshaft, 2-piece Seal, Internal Balance, Forged 4340 Steel, 3.625 in. Stroke, 2.100 in. Pin, Chevy, 350

Part Number: CPI-SAH11A-MG

Not Yet Reviewed

Estimated Ship Date: Jan 16, 2026 if ordered today

• Free Shipping
• Special Order

Crankshaft, Lightweight, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.875 in. Stroke, Chevrolet, Small Block, Each

Part Number: BRO-S0009

Not Yet Reviewed

Estimated Ship Date: Dec 1, 2025 if ordered today

• Free Shipping
• Special Order

Crankshaft, Lightweight, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.000 in. Stroke, Chevrolet, Small Block, Each

Part Number: BRO-S0010

Not Yet Reviewed

Estimated Ship Date: Dec 1, 2025 if ordered today

• Free Shipping
• Special Order

Crankshaft, 2-piece seal, Internal balance, Forged 4340 Steel, Custom Order, Chevy, Each

Part Number: CRO-95120

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

• Free Shipping
• Special Order

Crankshaft, 2-piece seal, Internal Balance, Forged 4340 Steel, 3.480 in. Stroke, Custom Order, Chevy, Each

Part Number: CRO-95121

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

• Free Shipping
• Special Order

Crankshaft, 2-piece seal, Internal balance, Forged 4340 Steel, 3.500 in. Stroke, Chevy, Each

Part Number: CRO-95122

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

• Free Shipping
• Special Order

Crankshaft, 2-piece seal, Internal Balance, Forged 4340 Steel, 3.562 in. Stroke, Custom Order, Chevy, Each

Part Number: CRO-95123

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

• Free Shipping
• Special Order

Crankshaft, 2-piece seal, Internal balance, Forged 4340 Steel, 3.750 in. Stroke, Chevy, Each

Part Number: CRO-95125

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

• Free Shipping
• Special Order

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

Part Number: CRO-95128

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

• Free Shipping
• Special Order

CRANKSHAFT

Part Number: SCA-4308C345720

Not Yet Reviewed

Estimated Ship Date: Jan 9, 2026 if ordered today

• Free Shipping
• Special Order

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

Part Number: ESP-103503750571

Not Yet Reviewed

Estimated Ship Date: Dec 10, 2025 if ordered today

• Free Shipping
• Special Order

CRANKSHAFT ASM

Part Number: NAL-12670965

Not Yet Reviewed

Estimated Ship Date: Mar 6, 2026 if ordered today

• Free Shipping
• Special Order