Billet K20 K24 K Series PRB to RBC Throttle Body Adapter Spacer For Honda Acura

This adapter provides a solution for installing an early K-series (PRB) cable-driven Pro Series throttle body onto late-model intake manifolds equipped with the K-series (RBC) flange. It is an essential component when fitting a throttle body to a K-swapped vehicle utilizing popular RBC or RRC intake manifolds. The adapter is designed with a dedicated notch to accommodate the IACV.