BBC standard deck competition blower manifold polished. This manifold is set up to run water thru it, has port nozzle provisions already drilled and tapped and has a tented floor for better fuel distribution. The manifold will fit a 6-71 thru 16-71 roots supercharger. Manifold is polished aluminum finish and includes gaskets, blower stud and nut kit, as well as mounting bolts. From deck surface to blower mounting surface is 4.50" tall. Manifold can be ordered with a burst panel for an additional charge from drop down menu.