CHEVROLET Chevy big block Mark IV Crankshafts

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 )

Estimated Ship Date: Today

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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.000 in. Stroke, 6.385 Rod, Chevy, 454, Each

Part Number: SCA-445415

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Estimated Ship Date: Jul 21, 2025 if ordered today

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Woodruff Key, Long, .188 in. x 1.375 in., Chevy, Chrysler, Pontiac, Set of 2

Part Number: PIO-839010

3.82 out of 5 stars ( 11 )

Estimated Ship Date: Today

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 )

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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: Sep 3, 2025 if ordered today

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Crankshaft, 2-Piece Seal, Internal Balance, 4140 Forged, 4.25 in. Stroke, Chevrolet, Each

Part Number: ESP-545442526385

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Crankshaft Key, Short, Chevy, Each 0.750" x 0.188"

Part Number: MRG-984G

5.0 out of 5 stars ( 2 )

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

Part Number: MRG-988G

4.6 out of 5 stars ( 5 )

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

Part Number: MRG-987G

3.8 out of 5 stars ( 5 )

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

Part Number: ESP-445443756385

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Estimated Ship Date: Jun 12, 2025 if ordered today

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

Part Number: MRG-983G

1.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Crankshaft, Internal Balance, Forged 4340 Steel, 4.500 in. Stroke, Chevy, Big Block, Tall Deck, Each

Part Number: ESP-445445006535

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Estimated Ship Date: Jun 12, 2025 if ordered today

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

Part Number: SCA-445426

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Estimated Ship Date: Jul 21, 2025 if ordered today

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

Part Number: MAN-190170

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Estimated Ship Date: Jun 25, 2025 if ordered today

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Crankshaft, 1-Piece Seal, Internal Balance, Cast Steel, 4.250 in. Stroke, Chevy, 454, Each

Part Number: SCA-945425L

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Estimated Ship Date: Jul 17, 2025 if ordered today

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Crankshaft, Magnum, 2-piece Seal, Internal Balance, Forged 4340 Steel, 3.750 in. Stroke, Chevrolet, Each

Part Number: CPI-BBJ42B-MG

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4340 Forged Superlight

Part Number: SCA-445430C-3

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Estimated Ship Date: Jul 21, 2025 if ordered today

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4340 Forged Superlight

Part Number: SCA-445426C-3

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Estimated Ship Date: Jul 21, 2025 if ordered today

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4340 Forged Pro Series Lightweight

Part Number: SCA-445430C-2

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Estimated Ship Date: Jul 21, 2025 if ordered today

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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: Jul 29, 2025 if ordered today

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Crankshaft, Standard Weight, Forged 4340 Steel, 4.500 in. Stroke, Internal Balance, Chevy, 454, Each

Part Number: SCA-445430C

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Estimated Ship Date: Jul 21, 2025 if ordered today

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Crankshaft, Standard Weight, Forged 4340 Steel, 4.000 in. Stroke, Internal Balance, Chevy, 454, Each

Part Number: SCA-445415C

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Estimated Ship Date: Jul 21, 2025 if ordered today

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Crankshaft Keys, Short Type, 0 degree Offset, Steel, Natural, 3/16 in. Tall, AMC, Buick, Cadillac, Chevy, GMC, Jeep, Oldsmobile, Pontiac, Set of 100

Part Number: PIO-PK-9-100

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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.750 in. Stroke, 6.700 Rod, Chevy, 454, Each

Part Number: SCA-445440

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Estimated Ship Date: Jul 21, 2025 if ordered today

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CRANK-4340 FORGE 4.250 STROKE

Part Number: MAN-190290

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jun 9, 2025 if ordered today

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