AFR Magnum 18 degree carbureted intake manifolds are designed with a 4500 carburetor flange and will meet your applications high airflow requirements. They are cast and machined on computerized machining centers, and are designed to run "as cast", with plenty of material to have manifolds CNC ported. These lightweight aluminum Magnum intake manifolds are offered in two deck heights. Paired with AFR BBC Magnum cylinder heads, these intake manifolds will optimize the efficiency and performance of your engine.

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