You have 3 manifold choices:Professional products(Chinese)version of a air gap.2nd,Edelbrock RPM air gap(best manifold known to man).3rd,Indy products Mod Man.This is a short runner,removable top,manifold.You can bolt on a blower,dual quads,or six pack.Great looking manifold,doesn't look like much for torque,with short runners,and a big plenum.
