Description: Firewall Vacuum Tree Plug Kit
Model: Mustang, Cougar, Ford
Model Options: All except BOSS 429
Engine: All except BOSS 429
Brakes: Manual & Power Brakes
Factory: San Jose, Dearborn, Metuchen
Quantity: 5 vacuum tree plugs, 1 intake vacuum plug
Accuracy Rating: 10
Best Repro Available: YES
Correct size vacuum plugs for your 1970 Mustang firewall vacuum tree. Avoid vacuum leaks and get a fresh look by replacing your old dried up plugs.
If your car came with power brakes, you won't use the large plug. If your car came with drum brakes and a manual transmission, you will use all of the plugs. If your car came with drum brakes and an automatic transmission, you will need three small plugs and one large plug (picture 3). The one small plug is for the intake manifold.
Picture 2: Power Brakes
Picture 3: Manual drum brake with an automatic transmission