CHEVROLET 7.4L/454 Engines & Components

Cylinder Head, Merlin, Cast Iron, Assembled, 119cc Chamber, 269cc Intake Runner, Chevy, Big Block, Each

Part Number: WRL-030040-1

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 23, 2025 if ordered today

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Cylinder Head, Merlin, Cast Iron, Assembled, 119cc Chamber, 269cc Intake Runner, Chevy, Big Block, Each

Part Number: WRL-030040-2

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 23, 2025 if ordered today

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Cylinder Head, Merlin, Cast Iron, Assembled, 119cc Chamber, 269cc Intake, Exhaust Port Is Raised 0.600 in., Oval Intake Port, Chevy, Big Block, Each

Part Number: WRL-030040M-2

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Estimated Ship Date: Dec 23, 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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Cylinder Head, Merlin, Cast Iron, Assembled, 119cc Chamber, 345cc Intake, Exhaust Port Is Raised 0.600 in., Rectangular Intake Port, Chevy, Big Block

Part Number: WRL-030630-1

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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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Crankshaft, Internal Balance, Forged 4340 Steel, 4.500 in. Stroke, Chevy, Big Block, Tall Deck, Each

Part Number: ESP-445445006535

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Estimated Ship Date: Dec 26, 2025 if ordered today

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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.750 in. Stroke, Chevy, 454, Each

Part Number: ESP-450247506600

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Estimated Ship Date: Dec 26, 2025 if ordered today

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Crate Engine, Edelbrock/Musi 555 Pro-Flo 4 XT EFI, Big-Block Chevy, 697 HP and 643 TQ, Crate Engine, Each

Part Number: EDL-49557

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Estimated Ship Date: Apr 27, 2026 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, Aluminum, Black Powdercoated, Chevy, Big Block, Kit

Part Number: MCH-23060-08

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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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Pulleys, Serpentine Conversion, Billet Aluminum, Clear Powdercoated, Alternator, With A/C, Chevy, Big Block, Kit

Part Number: MCH-CA23073

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Estimated Ship Date: Jan 5, 2026 if ordered today

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CRANK-4340 FORGE 4.375 STROKE

Part Number: MAN-190250

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Estimated Ship Date: Jan 6, 2026 if ordered today

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Accessory Drive System, Serpentine, 6-groove, Black Anodized Finished, Air Conditioning, Chevy, Big Block, Kit

Part Number: AAY-FDS-BBC-202

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Estimated Ship Date: Dec 8, 2025 if ordered today

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Accessory Drive System, Serpentine, 6-groove, Black Anodized Finished, Power Steering, Air Conditioning, Chevy, Big Block, Kit

Part Number: AAY-FDS-BBC-251

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Estimated Ship Date: Dec 8, 2025 if ordered today

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Accessory Drive System, Serpentine, 6-groove, Black Anodized Finished, Power Steering, Chevy, Big Block, Kit

Part Number: AAY-FDS-BBC-253

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Estimated Ship Date: Dec 8, 2025 if ordered today

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Accessory Drive System, Serpentine, 6-groove, Machined Finished, Power Steering, Air Conditioning, Chevy, Big Block, Kit

Part Number: AAY-FDS-BBC-301

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 8, 2025 if ordered today

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Accessory Drive System, Serpentine, 6-groove, Machined Finished, Air Conditioning, Chevy, Big Block, Kit

Part Number: AAY-FDS-BBC-302

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Estimated Ship Date: Dec 8, 2025 if ordered today

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Accessory Drive System, Serpentine, 6-groove, Machined Finished, Power Steering, Air Conditioning, Chevy, Big Block, Kit

Part Number: AAY-FDS-BBC-351

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Estimated Ship Date: Dec 8, 2025 if ordered today

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Accessory Drive System, Serpentine, 6-groove, Machined Finished, Power Steering, Chevy, Big Block, Kit

Part Number: AAY-FDS-BBC-353

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 8, 2025 if ordered today

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