The ITB adapter has some threaded holes underneath. Just about every throttle will likely be plumbed to a distribution block, that may be fed in to the MAP sensor. It may also be linked to the idle Regulate valve. I may reconnect it in the future but it's disconnected for https://4age-for-sale68665.59bloggers.com/34154517/the-smart-trick-of-4age-20v-blacktop-for-sale-that-no-one-is-discussing