Manifold will fit a 6-71 thru 18-71 roots supercharger. Manifold now comes machined for a burst panel at no additional charge. Manifold is 5.20" from deck surface to blower mounting surface and has been drilled and tapped 1/8" pipe in the rear of the manifold plenum for a boost gauge. Ports measure 2.375" x 1.625".
If customer chooses not to run a burst panel RBS offers wither a burst panel block off plate #2000-0002A or burst panel block off plate with a spring loaded backfire valve #2000-0008.