1977 CHEVROLET Crankshafts

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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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.480 in. Stroke, Chevy, 350, Each

Part Number: SCA-435012-3

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4340 Forged Superlight

Part Number: SCA-445440C-3

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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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Estimated Ship Date: Jun 29, 2026 if ordered today

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Forged 4340 Standard Weight

Part Number: SCA-435060L

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4340 Forged Pro Series

Part Number: SCA-435018-2

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Crankshaft, Excalibur, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.000 in. Stroke, Chevy, 400, Each

Part Number: SCA-740086

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4340 Forged Pro Series Big Block Post

Part Number: SCA-773508621

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4340 Forged Superlight

Part Number: SCA-445430C-3

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4340 Forged Pro Series Big Block Post

Part Number: SCA-773507621

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4340 Forged Pro Series Big Block Post

Part Number: SCA-773508620

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4340 Forged Pro Series Lightweight

Part Number: SCA-445426C-2

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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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4340 Forged Pro Series Lightweight

Part Number: SCA-445430C-2

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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.480 in. Stroke, Chevy, Small Block, Each

Part Number: SCA-435020LW

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4340 Forged Pro Series Lightweight

Part Number: SCA-445405C-2

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CRANK-4340 FORGE 4.375 STROKE

Part Number: MAN-190250

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Estimated Ship Date: Jun 8, 2026 if ordered today

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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.480 in. Stroke, Chevy, 350, Each

Part Number: SCA-435010-20

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Estimated Ship Date: Jul 2, 2026 if ordered today

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Engine Crankshaft Kit 70-80 CHV/GMC/OLD 6.6L

Part Number: EGN-123800

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Estimated Ship Date: May 18, 2026 if ordered today

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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.562 in. Stroke, Chevy, 350, Each

Part Number: ESP-435035625700

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Estimated Ship Date: Jun 18, 2026 if ordered today

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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.125 in. Stroke, Chevy, 400, Each

Part Number: ESP-440041256000

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Estimated Ship Date: Jun 17, 2026 if ordered today

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Crankshaft, Magnum, Forged 4340 Steel, 5.300 in. Stroke, Internal Balance, 2-Piece Seal Style, Chevy, Each

Part Number: CPI-BB542B-MG

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Estimated Ship Date: Jul 22, 2026 if ordered today

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Crankshaft, 2-piece Seal, Internal Balance, Forged 4340 Steel, 4.250 in. Stroke, 2.100 in. Pin, Chevy, 400

Part Number: CPI-SAP21A-MG

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Estimated Ship Date: Jul 22, 2026 if ordered today

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