CHEVROLET 7.4L/454 Engines & Components

Crate Engine, Marine, Long Block, Assembled, External Balance, Cast Iron Heads, Chevy, 454, Each

Part Number: HME-DMK2

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Estimated Ship Date: Feb 13, 2026 if ordered today

• Core Charge $870.00
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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, 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, 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 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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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 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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4340 Forged Pro Series Lightweight

Part Number: SCA-445415C-2

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Estimated Ship Date: Feb 2, 2026 if ordered today

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• $100.00 Summit Bucks
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4340 Forged Superlight

Part Number: SCA-445415C-3

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Estimated Ship Date: Feb 2, 2026 if ordered today

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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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Estimated Ship Date: Feb 2, 2026 if ordered today

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4340 Forged Pro Series Lightweight

Part Number: SCA-445426C-2

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Estimated Ship Date: Feb 2, 2026 if ordered today

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4340 Forged Superlight

Part Number: SCA-445426C-3

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Estimated Ship Date: Feb 2, 2026 if ordered today

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4340 Forged Pro Series Lightweight

Part Number: SCA-445430C-2

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Estimated Ship Date: Feb 2, 2026 if ordered today

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4340 Forged Pro Series Lightweight

Part Number: SCA-445440C-2

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Estimated Ship Date: Feb 2, 2026 if ordered today

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4340 Forged Superlight

Part Number: SCA-445440C-3

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Estimated Ship Date: Feb 2, 2026 if ordered today

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4340 Forged Pro Series Lightweight

Part Number: SCA-445405C-2

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Estimated Ship Date: Feb 2, 2026 if ordered today

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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

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 2, 2026 if ordered today

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• $100.00 Summit Bucks
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