1981 Engines & Components

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

Part Number: SCA-435032-2

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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.750 in. Stroke, Chevy, 350, Each

Part Number: SCA-435050-2

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4340 Forged Superlight

Part Number: SCA-435052-3

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4340 Forged Pro Series Big Block Post

Part Number: SCA-773502021

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4340 Forged Pro Series Big Block Post

Part Number: SCA-773507620

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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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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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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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4340 Forged Pro Series Lightweight

Part Number: SCA-445430C-2

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4340 Forged Superlight

Part Number: SCA-445430C-3

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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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Pulley Kit, 8 rib serpentine, Chevy Big Block, Aluminum, AC, Power Steering-Aluminum Reservoir, Gloss black

Part Number: EMS-MS107-13BBK

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Estimated Ship Date: Mar 23, 2026 if ordered today

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Pulley Kit, 8 rib serpentine, Chevy Big Block, Aluminum, AC, Power steering-Aluminum Reservoir, Clear coated

Part Number: EMS-MS107-13BCL

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Pulley Kit, 8 rib serpentine, Chevy Big Block, Aluminum, AC, Power Steering, Plastic Reservoir, Gloss Black, Kit

Part Number: EMS-MS107-13BK

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Pulley Kit, 8 rib serpentine, Chevy Big Block, Aluminum, AC, Power Steering-Aluminum Reservoir, Machined finish

Part Number: EMS-MS107-13BM

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Pulley Kit, 8 rib serpentine, Chevy Big Block, Aluminum, AC, Power Steering-Aluminum Reservoir, Matte black

Part Number: EMS-MS107-13BMB

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Pulley Kit, 8 rib serpentine, Chevy Big Block, Aluminum, AC, Power Steering-Aluminum Reservoir, Bright polished

Part Number: EMS-MS107-13BP

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Pulley Kit, 8 rib serpentine, Chevy Big Block, Aluminum, AC, Power Steering-Plastic Reservoir, Clear coated

Part Number: EMS-MS107-13CL

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