1975 Engines & Components

4340 Forged Superlight

Part Number: SCA-435018-3

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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.500 in. Stroke, Chevy, 350, Each

Part Number: SCA-435020-20

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4340 Forged Pro Series

Part Number: SCA-435022-2

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

Part Number: SCA-435030

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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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Forged 4340 Standard Weight

Part Number: SCA-435060L

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4340 Forged Superlight

Part Number: SCA-435087-3

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Crankshaft, Internal Balance, Forged 4340 Steel, 3.500 in. Stroke, Ford, 351W, Cleveland Mains, Each

Part Number: SCA-4351C16

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Pulley Kit, Track, Serpentine, Black Onyx Main X Bracket, Clear Powdercoated Pulleys, GM Type 2, P/S, Chevy, Big Block, Kit

Part Number: MCH-21250-07

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Estimated Ship Date: Apr 6, 2026 if ordered today

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Pulley/Bracket Set, Track, Serpentine, Aluminum, Chrome, Saginaw P/S, Chevy, Big Block, Kit

Part Number: MCH-21255-06

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Pulley Kit, Revolver Track, Serpentine, Aluminum, Chrome, Standard Ratio, Chevy, Big Block, Kit

Part Number: MCH-21260-06

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Pulley Kit, Revolver Track, Serpentine, Aluminum, Chrome, Performance Ratio, Chevy, Big Block, Kit

Part Number: MCH-21265-06

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Pulleys, Sport Track, Serpentine, Standard Ratio, Billet Aluminum, Silver Powdercoat, Chevy, Small Block, Kit

Part Number: MCH-21655-09

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Pulleys, Sport Track, Serpentine, Standard Ratio, Billet Aluminum, Silver Powdercoat, Chevy, Small Block, Kit

Part Number: MCH-21660-09

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Estimated Ship Date: Apr 6, 2026 if ordered today

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Pulleys, Style Track, SBC, Aluminum, 140 amp Alternator, A/C Compressor, Short WP, PS, Tensioner, Clear Powdercoated, Kit

Part Number: MCH-21855

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Pulley Set, Standard Ratio, Serpentine, Aluminum, Black Onyx Main X Bracket, Clear Powdercoated Pulleys, Ford, 302, 351W, Kit

Part Number: MCH-30490-07

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Pulley Kit, Serpentine, Aluminum, Chrome, Mopar, Big Block B/RB, Kit

Part Number: MCH-40725-06

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Pulley Kit, Serpentine, Aluminum, Black Powdercoated Brackets, and Pulleys, Mopar, Big Block B/RB, Kit

Part Number: MCH-40725-08

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Pulleys, Style Track, Serpentine, Billet Aluminum, Black Onyx Main X Bracket, Clear Powdercoated Pulleys, Chrysler, Big Block, Kit

Part Number: MCH-40745-07

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Pulleys, Style Track, Serpentine, Performance Ratio, Billet Aluminum, Black Powdercoated, Chrysler, Big Block, Kit

Part Number: MCH-40745-08

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Pulley Kit, Serpentine, Aluminum, Black Powdercoated, Chevy, Small Block, Short Water Pump, Kit

Part Number: MCH-21085-08

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Pulley Kit, Serpentine, Aluminum, Black Onyx Main X Bracket, Clear Powdercoated Pulleys, Chevrolet Small Block, Short Water Pump, Kit

Part Number: MCH-21090-07

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Pulley Kit, Track, Serpentine, Aluminum, Chrome, Standard Ratio, Chevy, Small Block, Kit

Part Number: MCH-21100-06

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