RBS specializes in some of the hard to find blower intakes. Satin finished 390-428 FE Ford blower manifold. It is set up to run a 6-71 thru 16-71 supercharger with a 12.50" bottom opening on the blower and has all the street/water provisions. Manifold includes backfire valve assm. and is 6.50" tall from deck surface to blower mounting surface. The manifold can be polished for $450.00. RBS has found that with most distributors you will need to run a 2in. spacer for distributor clearance #1100-0053. Special order manifolds take four to six weeks for delivery.