Aluminium 'Bugcatcher' Injector HatBugcatcher, Birdcatcher and Big & Ugly injectors bolt directly to all standard 6 71 and 8 71 blower openings. When used with larger superchargers such as the 14 71 an adaptor is required for the larger inlet. Blower injectors include metering valve, fuel lines, nozzles, distribution block, bypass pills and a high pressure relief check valve is included with nitro style metering valves. The pump, drive and shut off Valve must be ordered separately.