I just had my front bench seat repaired and recovered. I had a local upholstery shop here do the work, it turned out xlnt.
FYI there is an auto upholstery supply company that claims to have the worlds largest supply of OEM auto fabrics. They are called SMS and they are located here in Oregon.
I sent them my build sheet numbers, and they sent a couple samples of the two-tone vinyl... Exact match to the rest of the car.
The reason I mention this is just in case your shop can't find the correct vinyl. Good luck with your project, there should be dozens of good shops in your area.