GENUINE HONDA Vacuum sandwich (Insulator Bakelite type) to suit vacuum pulse external fuel pumps like the CPR External Fuel Pump.
This component fits between the carburettor and intake manifold on the Honda GX270/390 and clone. The most reliable and easiest way to gain a good vacuum tap for external fuel pumps using vacuum pulse.
Dia of holes are 9mm (for a 8mm threaded stud) and they are 53mm centre to centre.
Bore/Venturi dia is 28.5mm
