Chrysler Mopar BB 413 426 440 HiRise Aluminum Intake Manifold [Black] you must use one that

you must use one that is also approved as street legal for your application

high-tech styling

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Chrysler Mopar BB 413 426 440 HiRise Aluminum Intake Manifold [Black] you must use one thatStep up to the high rpm power of an open plenum with Speedmaster HiRise intake manifolds. These cast aluminum manifolds accept square bore carburetors and are pressure tested to ensure maximum performance. They start to make awesome power around 3,000 rpm.