Edelbrock 5409 348/409 Dual Quad Intake Manifold, Large Port
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Performer RPM Dual-Quad intake manifolds are designed to fit 1958-1965 Chevrolet 348/409 "W" Series engines. These manifolds deliver performance improvements in the 1500-6500 rpm range with Edelbrock Performer Series dual-quad carburetors, and they accept Edelbrock dual-quad accessories including fuel lines, throttle linkage, and air cleaners.
Includes oil fill tube (not installed) and matching push-in breather cap. Use with dual quad linkage and fuel line at right. Carb center-to-center measurement is 6-7/16".
325-5409 Instructions (PDF)
- Carburetor Recommendations: Edelbrock Performer Series carb, 500 cfm
- Carb center-to-center measurement is 6-7/16"
- Manifold height @ front: 4.03"
- Manifold height @ rear: 5.21"
- Carb pad height: 4.62"
- Port exit dimensions: 2.39" x 1.15"
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Q & A
by JasonThere's a right and wrong way to run a two-barrel carburetor on your vintage engine. Check out this guide about how to select the correct carburetor for your Flathead or vintage engine.
Dave gives a few tips on how to select the appropriate intake manifold for your project.