1974 Engines & Components

Cylinder Heads, 325cc Magnum BBC, Aluminum, Bare, 117cc Chamber, 325cc Intake, Round Exhaust Port, Chevrolet, Big Block, Pair

Part Number: AFR-3250

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Estimated Ship Date: Nov 19, 2025 if ordered today

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Cylinder Heads, 325cc Magnum BBC, Aluminum, Bare, 121cc Chamber, 325cc Intake, Square Exhaust Port, Chevrolet, Big Block, Pair

Part Number: AFR-3250-1

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Estimated Ship Date: Nov 19, 2025 if ordered today

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Cylinder Heads, Aluminum, 345cc Intake, Partially CNC Ported, with Valve Job, 121cc CNC Chambers, Bare, BBC, Pair

Part Number: AFR-3450-1

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Estimated Ship Date: Nov 19, 2025 if ordered today

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Cylinder Heads, 357cc Magnum BBC, Aluminum, Bare, 121cc Chamber, 357cc Intake, Round Exhaust Port, Chevrolet, Big Block, Pair

Part Number: AFR-3570

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Estimated Ship Date: Nov 19, 2025 if ordered today

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Cylinder Heads, 377cc Magnum BBC Competition Racing Heads, Aluminum, Bare, 121cc Chamber, 377cc Intake, Round Exhaust Port, Chevrolet, Big Block, Pair

Part Number: AFR-3575

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Estimated Ship Date: Nov 19, 2025 if ordered today

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4340 Forged Pro Series Big Block Post

Part Number: SCA-773502020

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Estimated Ship Date: Dec 29, 2025 if ordered today

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4340 Forged Pro Series Big Block Post

Part Number: SCA-773505420

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Estimated Ship Date: Dec 29, 2025 if ordered today

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4340 Forged Superlight

Part Number: SCA-44604750-3

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Estimated Ship Date: Dec 29, 2025 if ordered today

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4340 Forged Pro Series Big Block Post

Part Number: SCA-773505418

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Estimated Ship Date: Dec 29, 2025 if ordered today

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4340 Forged Pro Series Big Block Post

Part Number: SCA-773505620

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Estimated Ship Date: Dec 29, 2025 if ordered today

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4340 Forged Pro Series

Part Number: SCA-435028-2

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Estimated Ship Date: Dec 29, 2025 if ordered today

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4340 Forged Superlight

Part Number: SCA-435087-3

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Crankshaft, Lightweight, Forged 4340 Steel, 4.500 in. Stroke, Internal Balance, Ford, 429, 460, Each

Part Number: SCA-44604500-2

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Estimated Ship Date: Dec 29, 2025 if ordered today

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4340 Forged Superlight

Part Number: SCA-435008-3

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Estimated Ship Date: Dec 29, 2025 if ordered today

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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: Dec 10, 2025 if ordered today

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

Part Number: MCH-21255-07

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Estimated Ship Date: Dec 10, 2025 if ordered today

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ROTATING ASSEMBLY

Part Number: ESP-15015030

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Estimated Ship Date: Tomorrow if ordered today

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Cylinder Heads, 11 SP X, Aluminum, Bare, 67cc Chamber, 215cc Intake Runner, Chevy, 302, 327, 350, 400, Pair

Part Number: BRO-1110002

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Estimated Ship Date: Nov 17, 2025 if ordered today

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engine rotating kits

Part Number: ESP-B62001030

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Estimated Ship Date: Dec 1, 2025 if ordered today

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Engine Rotating Assembly, Balanced, Competition, Forged 4340 Crank, Forged Pistons, H-Beam Rods, Pontiac, Big Block, 400, Kit

Part Number: ESP-B515004155

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Estimated Ship Date: Nov 3, 2025 if ordered today

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Street Performance, Series 9000 Rotating Assembly

Part Number: SCA-1-94660

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Estimated Ship Date: Dec 16, 2025 if ordered today

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Street & Strip, Series 9000 Rotating Assembly

Part Number: SCA-1-95251BE

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Estimated Ship Date: Dec 16, 2025 if ordered today

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Street & Strip, Series 9000 Rotating Assembly

Part Number: SCA-1-98005

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Estimated Ship Date: Dec 16, 2025 if ordered today

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Pulley Kit, Serpentine, Aluminum, Natural Finish, With A/C, Without Power Steering, with ProCharger Bracket, Chevy, Big Block, Kit

Part Number: PCH-1CB400-AC

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Estimated Ship Date: Tomorrow if ordered today

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Pulley Kit, Serpentine, Aluminum, Natural Finish, Without A/C and Power Steering, Chevy, Small Block, Kit

Part Number: PCH-1CA300

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Estimated Ship Date: Tomorrow if ordered today

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