Skunk2’s 90mm B-Series throttle body adapter is a CNC-machined, hard-anodized 6061-T6 billet aluminum adapter that lets B-Series throttle bodies be mounted to the Ultra Race Series intake manifold. It features a 74mm opening, recessed holes for easy adaptation, a MAP sensor port, and includes the necessary mounting hardware for a straightforward installation to Ultra Race or compatible manifolds.
Skunk2 90mm B Series Throttle Body Adapter