I installed this on a Carter AFB "AKA Webber" 4 barrel airplane that was mostly pre Edelbrock. Everything fits well and easy assembly. The kit did not include a vacuum cap to cover the choke port. This kit costs about the same as a choke thermostat and communications kit. No problem finding a throttle body to fit a non-Q Jet Performer 1204 intake manifold with a bolt-on throttle body.