Air conditioning A/C line bulkhead with fittings. The bulkhead has a # 6 5/8″-18 and a # 10 7/8″-14 male threads on each side. The bulkhead is made of billet aluminum for a clean look on the firewall. The bulkhead can be used to run hoses through the firewall or an inner fender well.
The bulkhead measures 2-3/8″ wide x 1-1/8″ tall.