This is an aluminum tag with a black overlay. These tags were mounted on the top of the timing chain housing on all of the V-12 engines until the 275 GTB 4 cams when they were attached to the top, rear of the air cleaner. On the 330s the tags were moved to the top, front of the left side valve cover. These tags are mounted on the aluminum castings with small “U-drive” rivets and to the 275GTB/4s with the hand bucked round head rivets. V-12 Firing Order Tags with correct rivets
Ferrari built a series of highly-tuned race engines based on the specifications of the cars campaigned in the Mille Miglia races. These cars were equipped with three four – barrel carburetors. Again the coffee can assembly was used with the satin painted steel tops and bottoms with the nickel – plated perforated steel sides. These air cleaners were made by F.I.S.P.A and used a single small aluminum tag, 11mmx60mm, riveted to the perforated side panel. Four-Barrel “MM” F.I.S.P.A air cleaner tag.