I actually bought the Burco set from Rock Auto a few months ago and simply stuck them over the existing mirrors which were scratched. It was a good fit and very simple which minimized risk for scratching the paint or cutting myself on broken glass.
BURCO 3183 (Glass Only (Does Not Include Backing Plate)) Size- 3-1/8" x 5-5/16"; 5-3/8" Diagonal Info
Right; with Manual Adjustment Mirror