My replica side-cover badges arrived. I got the pair from All Cycle Supply for $26... flat. No shipping charge. Backing clips included.
They are much nicer than I expected. I assumed that they would be plastic, but they are actually chromed metal. The wings are painted white and the background is of course black. They are larger than expected too at 3" x 3.5".
The stems for attaching them are 1/2" long... twice as long as OEM K2-K8 emblem stems, but hopefully it will be okay. Meh, if the stems hit my oil tank I'll trim them, but hopefully I won't need to.
My motorcycle's engine and frame are different years and my paint isn't stock, so there was no point in trying to use the "correct year" badges. I picked what would look good to me. ;P ...$26 for sidecover badges... Mm mm. Can't beat that with a stick.