CHEVROLET 7.4L/454 Cylinder Heads

Valve Guide, Exhaust, Bronze, Chevy, Big Block, Each

Part Number: AFR-9046-1

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Estimated Ship Date: Dec 22, 2025 if ordered today

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

Part Number: WRL-030620M-2

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Cylinder Head, 320cc, Solid Roller, Aluminum, Assembled, 0.850 in. Lift, Chevrolet, Big Block Mark IV, Each

Part Number: FLK-305-5059

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

Part Number: WRL-030620-2

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Cylinder Head, 335cc Enforcer, Assembled, 2.250 in. Intake Valve, 10 Degree Locks, 1.550 in. Dual Valve Springs, Aluminum, Chevy, Big Block, Each

Part Number: AFR-3001

3.75 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

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Cylinder Head, BB-2 Plus, Aluminum, Assembled, 115cc Chamber, 320cc Intake Runner, Chevy, Big Block, Each

Part Number: BRO-2028113

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Cylinder Head, Jailbird 390cc, CNC Machined, Aluminum, Bowl Blended, Bare, Chevrolet, Big Block Mark IV, Each

Part Number: FLK-390-500BB

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Cylinder Head Studs, Pro Series, 12-Point Nuts, Chevy, 454, Dart, AFR Heads, Kit

Part Number: ARP-235-4713

4.88 out of 5 stars ( 8 )

Estimated Ship Date: Tomorrow

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Cylinder Head Studs, Pro Series, 12-Point Head, Chevy, Big Block, Aftermarket Heads, Kit

Part Number: ARP-235-4303

4.88 out of 5 stars ( 8 )

Estimated Ship Date: Tomorrow

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Cylinder Head Bolts, High Performance, Hex Head, Chevy, Big Block, Kit

Part Number: ARP-135-3601

4.74 out of 5 stars ( 58 )

Estimated Ship Date: Tomorrow

Big Block Chevy Cylinder head, Aluminum, 335cc Rectangle Intake Runner, 122cc Chamber, 2.250 Intake Valve 1.880 Exhaust Valve, Max .725 Lift Ea.

Part Number: SUM-162BBCREC335

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Cylinder Head Studs, Chromoly, Black Oxide, 12-Point Head, Chevy, Big Block, Dart, Merlin, Bowtie Heads, Set

Part Number: MIL-80133

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Estimated Ship Date: Feb 18, 2026 if ordered today

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Cylinder Head Studs, Chromoly, Black Oxide, Hex Head, Chevy, Big Block, Dart, Merlin, Bowtie, Heads, Set

Part Number: MIL-80136

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Estimated Ship Date: Feb 18, 2026 if ordered today

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

Part Number: WRL-030040

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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, 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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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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Cylinder Head, Big Victor Spread-Port 14 Degree CNC, Bare, Aluminum, Chevy, Big Block, Each

Part Number: EDL-618369

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Estimated Ship Date: Dec 19, 2025 if ordered today

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Valve Seat; Intake; 2.19 in. Valve

Part Number: EDL-9716

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Estimated Ship Date: Dec 19, 2025 if ordered today

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Cylinder Head, E-CNC 355, Aluminum, Assembled, Rectangular Port, Chevy, Big Block, Each

Part Number: EDL-79555

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Estimated Ship Date: Dec 18, 2025 if ordered today

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Cylinder Head, Bare, Cast Iron, 118cc Combustion Chamber, Chevy, Big Block, 454/502, Each

Part Number: NAL-12562925

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Estimated Ship Date: Mar 20, 2026 if ordered today

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BOLT

Part Number: NAL-10168526

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Estimated Ship Date: Mar 20, 2026 if ordered today

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