Trickflow 4150 Mac Caddy Carburetor Tuning Aid Tool Tray

Keep your engine running at peak performance at the track with the TFS Mac Caddy, the daddy of all spark plug caddies. With a 16 spark plug capacity, the Mac Caddy allows you to store one set of gapped, ready to use, new plugs and keep your old plugs in the order they were removed to aid in making air/fuel and timing decisions a breeze. When you're ready to turn it up a notch, the carb and nitrous jet storage holes are there to help you keep your jets organize. No more dumping a bag of jets and searching for the winning tune up!