CHEVROLET 7.4L/454 Engines & Components

Crankshaft, Magnum, 2-Piece Seal, Forged 4340 Steel, 3.500 in. Stroke, 6.385 in. Rod, 2.200 Pin, Internal Balance, Chevy, Big Block, Each

Part Number: CPI-BBG42B-MG

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BALANCED PRO STREET ASSEMBLY CHEV 427

Part Number: ESP-B68211060

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Engine Rotating Assembly, Competition, Forged Crank, Forged Pistons, H-Beam Rods, Chevy, Big Block, Kit

Part Number: ESP-11012070

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CHEVY BB ROTATING ASSEMBLY

Part Number: ESP-11114060

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Piston and Ring Kit, Hypereutectic, Dome, 4.280 in. Bore, Chevy, Big Block, Kit

Part Number: SLP-8KH426CP30

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Pulley Kit, Serpentine, Ultra Drive, Aluminum, Clear Powdercoated, Chevy, Big Block, Deluxe, Kit

Part Number: MCH-20380

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Estimated Ship Date: Jan 5, 2026 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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Estimated Ship Date: Dec 29, 2025 if ordered today

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

Part Number: PMX-9340

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Estimated Ship Date: Dec 29, 2025 if ordered today

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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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Estimated Ship Date: Dec 29, 2025 if ordered today

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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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Estimated Ship Date: Dec 29, 2025 if ordered today

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Cylinder Heads, Freedom Series Big Block Chevy Heads, Assembled, Aluminum, 119cc Chamber, 360cc Intake, Angle Plug, Chevrolet, Big Block, Pair

Part Number: PMX-2256

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Estimated Ship Date: Dec 29, 2025 if ordered today

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

Part Number: PMX-9371

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Estimated Ship Date: Dec 29, 2025 if ordered today

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

Part Number: PMX-9372

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Estimated Ship Date: Dec 29, 2025 if ordered today

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

Part Number: PMX-9373

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 29, 2025 if ordered today

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Cylinder Heads, Aluminum, Assembled, 119cc Chamber, 320cc Intake Runner, Chevy, Big Block, Pair

Part Number: PMX-2214

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Dec 29, 2025 if ordered today

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Cylinder Heads, Aluminum, Assembled, 119cc Chamber, 320cc Intake Runner, Chevy, Big Block, Pair

Part Number: PMX-2216

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Cylinder Head, Merlin, CNC Ported, Cast Iron, Bare, 119cc Chamber, 320cc Intake Runner, Chevy, Big Block, Each

Part Number: WRL-030620CNC

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Estimated Ship Date: Dec 23, 2025 if ordered today

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Engine Block, Cast Iron, Nodular Iron 4-Bolt Mains, 4.500 in. Bore, 1-Piece Seal, 9.800 in. Deck, Chevy, Big Block, Each

Part Number: WRL-091105

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 23, 2025 if ordered today

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Engine Block, Cast Iron, 4-Bolt Mains, 4.245 in. Diameter Bore, 2-Piece Rear Main Seal, Chevy, Big Block, Each

Part Number: WRL-095000

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Dec 23, 2025 if ordered today

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Cylinder Head, 12 Degree, BBC, Big Victor Spread Port, HIP'd, 12-degree Intake Valve, CNC-Ported, 4.840 in. Bore Space, Conical Machined Chamber, Each

Part Number: EDL-618270

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Estimated Ship Date: Dec 19, 2025 if ordered today

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Pulley Set, Revolver, Serpentine, Aluminum, Air Conditioning, Power Steering, Chrome, Chevrolet, Big Block, Kit

Part Number: MCH-20325

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Estimated Ship Date: Jan 5, 2026 if ordered today

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Pulley Kit, Serpentine, Ultra Drive, Aluminum, Clear Powdercoated, Chevy, Big Block, Ultra, Kit

Part Number: MCH-20350

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Estimated Ship Date: Jan 5, 2026 if ordered today

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Pulley Kit, Serpentine, Ultra Drive, Aluminum, Black Powdercoated, Chevy, Big Block, Ultra, Kit

Part Number: MCH-20360-08

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Estimated Ship Date: Jan 5, 2026 if ordered today

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Pulley Kit, Serpentine, Ultra Drive, Aluminum, Black Powdercoated, Chevy, Big Block, Deluxe, Kit

Part Number: MCH-20370

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Estimated Ship Date: Jan 5, 2026 if ordered today

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Pulley Kit, Serpentine, Ultra Drive, Aluminum, Clear Powdercoated, Chevy, Big Block, Custom, Kit

Part Number: MCH-20385

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Estimated Ship Date: Jan 5, 2026 if ordered today

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