
Magnum Dual-Plane Intake Manifold for Big Block Chevy 9.8 in. Deck with Oval-Port Cylinder Heads
The AFR Magnum Dual-Plane Intake Manifold is engineered for performance Big Block Chevy engines with a standard 9.8 in. deck and oval-port cylinder heads. Its dual-plane runner design is tailored for strong street performance and high-horsepower applications across a broad 1,800-6,200 RPM operating range. The aluminum manifold is a direct bolt-on match for select AFR Magnum oval-port cylinder heads, helping reduce the need for port matching when paired with compatible 265cc, 290cc, or 300cc AFR heads.
AFR 4910 Features:
- Fits Big Block Chevy engines with a standard 9.8 in. deck
- Dual-plane intake manifold design
- Oval-port configuration
- Aluminum construction with natural finish
- 4150 carburetor flange
- Operating range: 1,800-6,200 RPM
- Custom-tailored runners for high-horsepower applications
- Sold individually
AFR 4910 Notes:
- Best fit for AFR Magnum 265cc, 290cc, and 300cc oval-port cylinder heads
- May require porting when matched to other cylinder heads
- Non-EGR design


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