CHEVROLET Chevy big block Mark IV SCAT Engine Components Engines & Components

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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Connecting Rods, 4340, I-Beam, 12-Point, Cap Screw, 6.385 in. Length, Chevy, Big Block, Set of 8

Part Number: SCA-26385716

5.0 out of 5 stars ( 2 )

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Connecting Rods, 4340, I-Beam, 12-Point, Cap Screw, 6.135 in. Length, Chevy, Big Block, Set of 8

Part Number: SCA-26135

5.0 out of 5 stars ( 12 )

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Connecting Rods, 4340, I-Beam, 12-Point, Cap Screw, 6.135 in. Length, Chevy, Big Block, Set of 8

Part Number: SCA-26135P

4.8 out of 5 stars ( 5 )

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Harmonic Damper, External Balance, Nodular Iron, Elastomer, Black Anodized, 8 in. Diameter, Big Block, Chevrolet, Each

Part Number: SCA-SCA8005

4.5 out of 5 stars ( 2 )

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Crankshaft, 2-Piece Seal, External Balance, Forged 4340 Steel, 4.000 in. Stroke, 6.135 Rod, Chevy, 454, Each

Part Number: SCA-445410

3.0 out of 5 stars ( 2 )

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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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Connecting Rods, 4340, I-Beam, 12-Point, Cap Screw, 6.700 in. Length, Chevy, Big Block, Set of 8

Part Number: SCA-26700716

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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 )

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Connecting Rods, 4340, H-Beam, 12-Point, Cap Screw, 6.135 in. Length, Chevy, Big Block, Set of 8

Part Number: SCA-6613522

5.0 out of 5 stars ( 2 )

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Connecting Rods, 4340, I-Beam, 12-Point, Cap Screw, 6.135 in. Length, Chevy, Big Block, Set of 8

Part Number: SCA-26135716

5.0 out of 5 stars ( 3 )

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Connecting Rods, 4340, H-Beam, 12-Point, Cap Screw, 6.700 in. Length, Chevy, Big Block, Set of 8

Part Number: SCA-6670022

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Connecting Rods, 4340, I-Beam, 12-Point, Cap Screw, 6.385 in. Length, Chevy, Big Block, Set of 8

Part Number: SCA-26385

5.0 out of 5 stars ( 1 )

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Crankshaft, External Balance, Cast Steel, 4.25 in. Stroke, Chevy, 454, Each

Part Number: SCA-945420

2.75 out of 5 stars ( 4 )

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Connecting Rods, 4340, H-Beam, 12-Point, Cap Screw, 7.100 in. Length, Chevy, Big Block, Set of 8

Part Number: SCA-6710022

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Estimated Ship Date: Feb 13, 2026 if ordered today

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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.500 in. Stroke, 6.535 Rod, Chevy, 454, Each

Part Number: SCA-445430

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Estimated Ship Date: Feb 13, 2026 if ordered today

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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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Connecting Rods, 4340, H-Beam, 12-Point, Cap Screw, 6.385 in. Length, Chevy, Big Block, Set of 8

Part Number: SCA-6638522A

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Connecting Rods, 4340, H-Beam, 12-Point, Cap Screw, 6.385 in. Length, Chevy, Big Block, Set of 8

Part Number: SCA-6638522

5.0 out of 5 stars ( 2 )

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Crankshaft, Standard Weight, Forged 4340 Steel, 3.766 in. Stroke, Internal Balance, Chevy, 454, Each

Part Number: SCA-445405C

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Wrist Pin Bushing, Bronze, 0.990 in. I.D., Chevy, Big Block, Each

Part Number: SCA-B990

5.0 out of 5 stars ( 1 )

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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: Feb 13, 2026 if ordered today

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4340 Forged Superlight

Part Number: SCA-445405C-3

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Estimated Ship Date: Feb 13, 2026 if ordered today

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4340 Forged Superlight

Part Number: SCA-445430C-3

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Estimated Ship Date: Feb 13, 2026 if ordered today

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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: Feb 13, 2026 if ordered today

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