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Air Flow Research Magnum 18° single plane intake manifolds are designed out of cast aluminum with a 4500 carburetor flange and machined on computerized machining centers. Designed to run "as cast" with plenty of added material to have the option of getting manifolds CNC ported to meet your applications high Air Flow requirements. If these lightweight aluminum intake manifolds are paired with AFR Big-Block Chevy Magnum 18° cylinder heads, it will noticeably optimize the efficiency and performance of your engine and will have a basic operating rpm range of 4,000-8,500. Available in two deck heights. (Tall deck and standard deck)
Memorial Day Savings!