Looking at Bighorns - ?? re Options

We are looking at Bighorns, and I have a couple of questions about the availability of options that I don't see on the MSRP list.

Is a heat pump option available for the Bighorn AC units? If available, what's the price?

Are the Goodyear G114 17.5" tires and wheels from the Landmark available on the Bighorn? If available, what's the price?