Brass T-Fitting vacuum plug. This is the 5/16" plug. Tri-power Engine Compartment We include one composite float

We include one composite float with each air horn purchased

Poor quality control

Includes all check balls

Also have the front and rear 59-66 end carb throttle bodies on the web page and the large 66 center throttle body

If you are pulling your intake manifold you will need to replace your intake manifold gaskets

Brass T-Fitting vacuum plug. This is the 5/16" plug. Tri-power Engine Compartment We include one composite floatThis is the plug that is used on the brass T fitting for the 1959 1964. This is for the smaller 1 8" port that is used on 1959 1964. uses 5 16" plug There is a larger T fitting port that was also used later in 1964 with a larger 3 16" port. Plug is 3 8" for larger port. Measure what you have prior to ordering the plug, or ask questions.