There is also a firewall pad that you are missing. It must be installed before the steering column floor seal. I am not sure how many installations pins that you need, I would order four sets of four. The T&N steering column seal is the best on the market, and is worth the extra cost. The order of replacement is first the foam column pad, then the firewall pad, and finally the rubber column seal. These are held in place with the fastener pins. The pins are installed from inside the car and the pointed ends are seen on the firewall in the engine compartment. Again I am not sure how many pins that you need, (just the column rubber seal takes five pins), and I think that the firewall pad requires about a dozen more. So, order more than you need because they are also very easy to break when they are being installed. There are also metal pins available, but they cost more.
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Steve
Here is a photo of my Nomad during installation of the firewall pad and steering column seals. This is an automatic column, so it looks slightly different than the one for a standard transmission.