Engine Crankshafts | Summit Racing

Callies Magnum Crankshafts IBO-42B-MG

Crankshaft, Magnum, 1-Piece Seal, Forged 4340 Steel, 4.000 in. Stroke, 6.385 in Rod, 2.200 Pin, Internal Balance, Chevy, Big Block, GenV, GenVI, Each

Part Number: CPI-IBO-42B-MG

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

Callies Magnum Crankshafts IBB-42B-MG

Crankshaft, Magnum, 1-Piece Seal, Forged 4340 Steel, 4.375 in. Stroke, 6.700 in Rod, 2.200 Pin, Internal Balance, Chevy, Big Block, GenV, GenVI, Each

Part Number: CPI-IBB42B-MG

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

Callies Magnum Crankshafts BBB-42B-MG

Crankshaft, 2-piece Seal, Internal Balance, Forged 4340 Steel, 4.375 in. Stroke, 2.200 in. Pin, Chevy, 454

Part Number: CPI-BBB42B-MG

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

Manley Rotating Assemblies 28598

Rotating Assembly, Forged Pistons, H-beam Connecting Rods, Internal Balance, 4.500 in. Stroke, 6.700 in. Rod Length, Chevy, 598, Kit

Part Number: MAN-28598

Not Yet Reviewed

Estimated Ship Date: Mar 20, 2026 if ordered today

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Estimated Ship Date: Mar 20, 2026 if ordered today

Callies Magnum Crankshafts BBV-42B-MG

Crankshaft, Magnum, 2-Piece Seal, Forged 4340 Steel, 5.000 in. Stroke, 7.000 in. Rod, 2.200 Pin, Internal Balance, Chevy, Big Block, Each

Part Number: CPI-BBV42B-MG

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

Callies Magnum Crankshafts BBU-42B-MG

Crankshaft, Magnum, 2-Piece Seal, Forged 4340 Steel, 4.125 in. Stroke, 6.385 in. Rod, 2.200 Pin, Internal Balance, Chevy, Big Block, Each

Part Number: CPI-BBU42B-MG

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

Callies Magnum Crankshafts BBP-43B-MG

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: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

Callies Magnum Crankshafts BBR-42B-MG

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: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

Callies Magnum Crankshafts BBJ-43B-MG

Crankshaft, Magnum, 2-Piece Seal, Forged 4340 Steel, 3.750 in. Stroke, 6.385 in. Rod, 2.100 Pin, Internal Balance, Chevy, Big Block, Each

Part Number: CPI-BBJ43B-MG

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

Callies Magnum Crankshafts BBM-42B-MG

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: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

Callies Magnum Crankshafts BBO-42B-MG

Crankshaft, 2-piece seal, Internal balance, Forged 4340 Steel, 4.000 in. Stroke, Chevy, 454, 2.200 Pin, Each

Part Number: CPI-BBO42B-MG

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

Callies Compstar Crankshafts BBO-425-CS

Crankshaft, 2-piece Seal, Internal Balance, Forged 4340 Steel, 4.000 in. Stroke, 2.200 in. Pin, Chevy, 454

Part Number: CPI-BBO425-CS

3.0 out of 5 stars ( 1 )

Estimated Ship Date: May 7, 2026 if ordered today

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Estimated Ship Date: May 7, 2026 if ordered today

Eagle Lightweight 4340 Crankshafts 445442546385

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

Part Number: ESP-445442546385

Not Yet Reviewed

Estimated Ship Date: Apr 9, 2026 if ordered today

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Estimated Ship Date: Apr 9, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Eagle Forged 4340 Steel Crankshafts 445442526385

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/16/2026

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Eagle Forged 4340 Steel Crankshafts 440940026135

Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.000 in. Stroke, Chevy, 409, Each

Part Number: ESP-440940026135

Not Yet Reviewed

Estimated Ship Date: Apr 8, 2026 if ordered today

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Estimated Ship Date: Apr 8, 2026 if ordered today

Manley Pro Series Crankshafts 190250

CRANK-4340 FORGE 4.375 STROKE

Part Number: MAN-190250

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

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Estimated Ship Date: Mar 30, 2026 if ordered today

Crower Enduro Crankshafts E95140X4

Crankshaft, 2-Piece Seal, External Balance, Forged 4340 Steel, 4.750 in. Stroke, Custom Order, Chevy, 454

Part Number: CRO-E95140X4

Not Yet Reviewed