The repair itself was very easy. Once the top/front plate just above the oven door was removed, all the rest was easy to follow. There were two additional screw holding the mounting bar that held all of the burner valves in place.
I had to disconnect the wiring for the oven light, disconnect the main gas feed line, and also remove the oven temperature control box in order to remove the manifold with all of its attached valves.
The valve itself was easy enough to remove and replace - just a single screw that mounts it to the manifold from below. Once that was done, I just worked backwards until everything was back together as before.
The only hiccup: I accidentally ordered the center knob for the oven/broiler instead of the one for the stove top - OOPS!
One thing to note: Make sure to shut off the gas (in this case) and unplug stove before repairing - Always sound advice. Total repair time was about 45 minutes, but I was in no hurry. Could probably be done in 15 - 20.
Also, I am not versed in the technical names of some of the components that I worked with, so my vernacular may be inaccurate. Please bear that in mind. Thanks.