2.9 LITER. Heat shield ball stud. M6. A bolt which is used to attach the Valve Cover Heat Shield to it's mounting point. A threaded rod which is used along with a nut to provide clamping force to help secure the Fuse Box to it's mounting point. Engine Cover Stud. Fuse Box. Holder. Mount bracket. PIN. Screw. SREW. Valve Heat Shield Bolt.