CHEVROLET Chevy big block Mark IV Crankshafts Engines & Components - Free Shipping on Orders Over $109 at Summit Racing

Summit Racing™ Cast BBC 454 Crankshaft SUM-180370

Crankshaft, 2-Piece Seal, External Balance, Cast Steel, 4.000 in. Stroke, Chevy, 454, Each

Part Number: SUM-180370

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Summit Racing™ Forged Crankshafts SUM-BBC425063851

Gen. 4 BB Chevy Forged Steel Crank, 4.250 stroke, Two Piece Rear Seal, Req's Narrowed Rod Bearings, Lightened holes, Nitride, 6.385 in. Rod

Part Number: SUM-BBC425063851

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Callies Compstar Crankshafts BBP-425-CS

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

Part Number: CPI-BBP425-CS

4.75 out of 5 stars ( 4 )

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Eagle Cast Steel Crankshafts 104544250

Crankshaft, 2-Piece Seal, External Balance, Cast Steel, 4.25 in. Stroke, Chevy, 454, Each

Part Number: ESP-104544250

5.0 out of 5 stars ( 6 )

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Scat Cast Crankshafts 9-10454

Crankshaft, 2-Piece Seal, External Balance, Cast Steel, 4.000 in. Stroke, Chevy, 454, Each

Part Number: SCA-910454

4.92 out of 5 stars ( 12 )

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Eagle Forged 4340 Steel Crankshafts 445442526385

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

Part Number: ESP-445442526385

3.5 out of 5 stars ( 2 )

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Scat Series 9000 Cast Pro Comp Stroker Lightweight Crankshafts 9-454-4250-6385

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

Part Number: SCA-945425

3.25 out of 5 stars ( 4 )

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Callies Compstar Crankshafts BBQ-425-CS

Crankshaft, Compstar, 2-piece Rear Main Seal Style, Internal/External Balance, Forged 4340 Steel, 4.500 in. Stroke, Large Snout, Chevrolet, 7.4L, Each

Part Number: CPI-BBQ425-CS

Not Yet Reviewed

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Pioneer Shaft Keys PK-9-A-25

Crankshaft Keys, Short Type, 0 degree Offset, Alloy Steel, Natural, 3/16 in. Tall, AMC, Buick, Cadillac, Chevy, GMC, Jeep, Olds, Pontiac, Set of 25

Part Number: PIO-PK-9-A-25

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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Callies Compstar Crankshafts BBB-425-CS

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

Part Number: CPI-BBB425-CS

Not Yet Reviewed

Estimated Ship Date: Oct 30, 2025 if ordered today

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Estimated Ship Date: Oct 30, 2025 if ordered today

Eagle Forged 4340 Steel Crankshafts 439637666135

Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.766 in. Stroke, Chevy, 396, 427, Each

Part Number: ESP-439637666135

4.67 out of 5 stars ( 6 )

Estimated Ship Date: Oct 8, 2025 if ordered today

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Estimated Ship Date: Oct 8, 2025 if ordered today

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Scat Forged Standard Weight Crankshafts 4-454-3766-6135-C

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Scat Forged Standard Weight Crankshafts 4-454-4250-6385

Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.250 in. Stroke, 6.385 Rod, Chevy, 454, Each

Part Number: SCA-445425

5.0 out of 5 stars ( 2 )

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Mr. Gasket Crankshaft Keys 987G

Crankshaft Key, Short, 2 Degree Offset, Chevy, Ford, Pontiac, Chrysler, Each

Part Number: MRG-987G

3.8 out of 5 stars ( 5 )

Estimated Ship Date: Tomorrow

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Mr. Gasket Crankshaft Keys 988G

Crankshaft Key, Short, 4 Degree Offset, Chevy, Ford, Pontiac, Chrysler, Each

Part Number: MRG-988G

4.6 out of 5 stars ( 5 )

Estimated Ship Date: Tomorrow

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Callies Magnum Crankshafts BBQ-42B-MG

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

Estimated Ship Date: Sep 3, 2025 if ordered today

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Estimated Ship Date: Sep 3, 2025 if ordered today

Callies Magnum Crankshafts BBP-42B-MG

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 )

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Need It Sooner? We recommend these similar substitute parts:

Eagle Cast Steel Crankshafts 104544250

5 out of 5 stars ( 6 )

Estimated Ship Date: Tomorrow

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Callies Compstar Crankshafts BBS-425-CS

Crankshaft, 2-piece seal, Internal balance, Forged 4340 Steel, 4.750 in. Stroke, 2.200 Pin, Chevrolet, Each

Part Number: CPI-BBS425-CS

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Scat Forged Standard Weight Crankshafts 4-454-4250-6385-C

Crankshaft, Standard Weight, Forged 4340 Steel, 4.250 in. Stroke, Internal Balance, Chevy, 454, Each

Part Number: SCA-445425C

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Callies Magnum Crankshafts BBS-42B-MG

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

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Manley Pro Series Crankshafts 190280

Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.750 in. Stroke, Chevy, 7.4L, Each

Part Number: MAN-190280

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Sep 8, 2025 if ordered today

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Estimated Ship Date: Sep 8, 2025 if ordered today

Eagle Forged 4340 Steel Crankshafts 445443756385

Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.375 in. Stroke, Chevy, 454, Each

Part Number: ESP-445443756385

Not Yet Reviewed

Estimated Ship Date: Sep 3, 2025 if ordered today

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Estimated Ship Date: Sep 3, 2025 if ordered today

Brodix Cylinder Heads Crankshafts BR C45445006385B

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

Part Number: BRO-S0017

Not Yet Reviewed

Estimated Ship Date: Sep 22, 2025 if ordered today

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Estimated Ship Date: Sep 22, 2025 if ordered today

Mr. Gasket Crankshaft Keys 983G

Crankshaft Key, Long, Chevy, Chrysler, Dodge, Plymouth, Each

Part Number: MRG-983G

1.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Scat Forged Standard Weight Crankshafts 4-454-4375-6385

Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.375 in. Stroke, 6.385 Rod, Chevy, 454, Each

Part Number: SCA-445426

Not Yet Reviewed

Estimated Ship Date: Oct 9, 2025 if ordered today

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Estimated Ship Date: Oct 9, 2025 if ordered today

Manley Pro Series Crankshafts 190170

Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.00 in. Stroke, Chevy, 7.4L, Each

Part Number: MAN-190170

Not Yet Reviewed

Estimated Ship Date: Sep 17, 2025 if ordered today

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Estimated Ship Date: Sep 17, 2025 if ordered today