Chrysler Mopar BB 413 426 440 HiRise Aluminum Intake Manifold [Satin] These Speedmaster supercharger manifolds are

These Speedmaster supercharger manifolds are aluminum constructed and suitable for competition or street use

and you can choose between plain polished

This manifold will typically produce more power than any similar competitive manifold due to larger ports and runners

manual or EFI pump

These Shootout Series Manifolds are designed to use a dominator style carburetor

Chrysler Mopar BB 413 426 440 HiRise Aluminum Intake Manifold [Satin] These Speedmaster supercharger manifolds areStep 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.