I have a set of 93 seats I just took out of my fox, but they arent the sport seats. Are yours the sports? If not, I can measure mine tomorrow.
Also, when you see them do it on tv, they've usually deconstructed the original covers to get the proper pieces and curves and what not. You could do that as well and be guaranteed the proper sizes, shapes, and fit.
"When I know more, I'll be forthcoming. Or I won't be forthcoming, and I'll be honestly deceptive." - Les Miles