PRB to RBC AdapterApplication: Adapts RBC Throttle Body on a PRB Intake Manifold Can be used for our DBW 72mm and 72mm Billet throttle Features: Adapts RBC Throttle body to PRB intake manifold Works with Skunk2 and other aftermarket intake manifold Custom CNC machined billet aluminum If you have a RBC Bolt pattern throttle body and a PRB intake manifold bolt pattern, this is what you need.