Red fiber washers were used to seal the mating surfaces of the components on the fuel log and carburetors. These are all 12mm I.D.. Copper washers were also supplied with the Weber carburetor rebuild kits. Weber also supplied brass, unplated nuts, banjo bolts and other pieces as replacements. It is my opinion that the cars were delievered with the red fiber washers and with all of the fuel log components chrome-plated. 9-Piece Red Fiber Washers for Inside Plug Engines
The right angle drives used to mount the Marelli Distributors have deep webbing around the fasteners used to attach them to the block and heads. Ferrari used bolts with a 4mm shoulder and extra thick nuts so that a wrench could reach them between the webbing. These bolts and nuts are often lost during a restoration project. Shouldered Distributor Bolts, 4 bolts, for 2 distributors
Metal tie wraps were used to gather hoses, wiring and control cables to minimize the mess in the engine compartment. They were typically seen on the heater hoses, Venetian blind cables and other places in the engine compartment. Usually there would be three or four per car. Aluminum Tie Wraps, Aluminum type were used for the early cars until about 1959.