Synchronize 6 carburetors or fuel injection thottle valves with a VacuumMate. A standard procedure is followed to synchronize 6 cylinders. Bracket kit includes interconnection and additional 2 tubes that match existing instrument tubes as well as mounting screws to fit bracket directly onto VacuumMate case. May require additional manifold adapters for some vehicles. Premium TecMate diagnostic tool accessory. .