BBC 9.80" standard deck competition blower manifold polished. This manifold is set up to run water thru it using 3/4" NPT threads, 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 18-71 roots supercharger.
Manifold comes machined for an SFI burst panel. If not running a SFI burst panel buyer must purchase separate #2000-0008 to block off the hole and provide a backfire valve in case of a blower hi-cup.
Manifold is 4.90" from deck surface to blower mounting surface. Manifold 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".