If the bolt pattern is Nardi or MOMO, there are two that I like. NRG in black, and on ebay "apple289" makes one which looks like the ones for the Grant 5 bolt in polished aluminum, and chrome. They are both easy to install, and I have had one of each. I now have the NRG installed, because it is black.
The Apple289 model requires that you remove the locating flanges for the clockspring on the inside of the top of the steering column trim. The NRG IIRC does not protrude as far in the trim piece, and you do not have to remove the flanges.
You will have to get a single wire horn connector from a donor car, or cut the one on your old airbag.