Skunk2 Racing now offers a solution for installing the early K (PRB) cable driven Pro Series Throttle Body onto the late model intake manifolds using the K (RBC) flange. A necessity when installing the Skunk2 Pro Series Throttle Body on a K Swapped vehicle running the popular RBC/ RRC intake manifolds. The adapter has a 74mm opening and a 72mm exit and a notch for the IACV.