Please begin to see the article ‘Intake Tuning for multiple throttles‘ For additional advanced info on this issue. This adapter facilitates the conversion to particular person throttle bodies (ITB’s) sourced from a 4age 20V Blacktop. Machined from the billet aluminum plate this item will make for the bolt on upgrade https://echobookmarks.com/story18482502/the-basic-principles-of-4age-20v-for-sale