6/v 6 barrel 8/b or 8/v 8 barrel a/c air conditioning aftermarket not original ... rim or outer cover brake proportioning valve used on front disc rear brake cars not ... cfm cubic feet per minute of air cid cubic inch displacement cj cobra ... area between the hood and windshield diaphragm style clutch cover distribution block ... imco improved combustion insulator rubber or vinyl as in engine insulator or ... plenum chamber directs heated air to the defroster or passenger ...