Description
The Edelbrock Big Victor 12° CNC Cylinder Head is built for maximum-effort Big Block Chevy race engines from 476 to 632 cubic inches, these heads feature a 12° valve angle and CNC-ported runners designed to flow over 490+ cfm — perfect for nitrous, blown, or all-out naturally aspirated combinations.
With raised exhaust runners, optimized valve geometry, and A356-T6 aluminum construction, the Big Victor 12° offers the airflow and strength needed for NHRA/IHRA competition, heads-up racing, and bracket cars chasing serious ETs.
If you’re looking to build a top-tier BBC race engine, these are the heads that separate contenders from pretenders.
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Brand: Edelbrock
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Series: Big Victor 12°
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Engine Fit: Chevrolet Big Block 454–632 CID
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Valve Angle: 12°
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Material: A356-T6 aluminum, heat-treated
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Airflow: 490+ cfm capability (CNC-ported)
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Runner Design: Raised exhaust runners, race-optimized CNC intake ports
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Combustion Chambers: Race-specific volumes available
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Intended Use: Heads-up racing, nitrous/blown builds, Top sportsman, Top Dragster and bracket racing.
⚠️ Requires dedicated pistons, intake manifold, and valve-train components.
Features unfinished Intake runners, exhaust ports combustion chambers, and will require professional porter to complete.
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