This is a correct parts list I did this conversion about a year ago. If your just cutting the AC hoses you will need hose clamps as well.
Here is what I did
cut hoses
Install spade fittings FYI The spade fittings are two diffrent sizes just take a small piece of your hose to a fitting place and they can hook ya up.
install oiler on the intake with a air filter on the intake of the oiler
install oil/water trap at the tank along with check valve
Run a single wire from the AC to the pressure switch
Using this setup Works great I add oil every couple of weeks but keep in mind my roadster does not drive around much so I am not sure how much oil you will need to add and drain from the trap.
Here are a couple of photos of what I did hope it helps There is a air filter and hose clamps on it now this was an old photo