1987 CHEVROLET Engines & Components

4340 Forged Superlight

Part Number: SCA-435087-3

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4340 Forged Pro Series

Part Number: SCA-435018-2

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4340 Forged Superlight

Part Number: SCA-435018-3

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4340 Forged Pro Series

Part Number: SCA-435022-2

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4340 Forged Pro Series Lightweight

Part Number: SCA-445415C-2

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4340 Forged Superlight

Part Number: SCA-445415C-3

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Crankshaft, 2-Piece Seal, External Balance, Forged 4340 Steel, 4.250 in. Stroke, 6.135 Rod, Chevy, 454, Each

Part Number: SCA-445420

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Crankshaft, Forged 4340 Steel, Superlite, 4.25 in. Stroke, Chevy, 454, 2-Piece Seal, Will Internal Balance

Part Number: SCA-445425-3

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4340 Forged Superlight

Part Number: SCA-445425C-3

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Engine Crankshaft, Chevy 4-454-4375-6385-2 454 Big Block Forged 4340 Steel

Part Number: SCA-445426-2

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Crankshaft, Standard Weight, Forged 4340 Steel, 4.375 in. Stroke, Internal Balance, Chevy, 454, Each

Part Number: SCA-445426C

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4340 Forged Pro Series Lightweight

Part Number: SCA-445426C-2

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4340 Forged Superlight

Part Number: SCA-445426C-3

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Crankshaft 4-454-4375-6635, Chevy Crankshaft Forged 4340 Strd Wgt 454 2-Piece Rear 4.375 Stroke 6.535 Length 2

Part Number: SCA-445428

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

Part Number: SCA-445430C

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Crankshaft, Standard Weight, Forged 4340 Steel, 4.750 in. Stroke, Internal Balance, Chevy, 454, Each

Part Number: SCA-445440C

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4340 Forged Pro Series Lightweight

Part Number: SCA-445440C-2

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4340 Forged Superlight

Part Number: SCA-445440C-3

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4340 Forged Pro Series Lightweight

Part Number: SCA-445405C-2

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

Part Number: HRS-H454256322T

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Estimated Ship Date: Nov 6, 2025 if ordered today

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Cylinder Heads, Aluminum, Assembled, 119cc Chamber, 317cc Intake Runner, Chevy, Big Block, Pair

Part Number: PMX-9320

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Cylinder Heads, Aluminum, Assembled, 121cc Chamber, 340cc Intake Runner, Chevy, Big Block, Pair

Part Number: PMX-9341

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Cylinder Heads, Aluminum, Assembled, 121cc Chamber, 340cc Intake Runner, Chevy, Big Block, Pair

Part Number: PMX-9342

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Cylinder Heads, Aluminum, Bare, 121cc Chamber, 370cc Intake Runner, Chevy, Big Block, Pair

Part Number: PMX-9370

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