Real quick: I have a line on a rear CVO fender facia for a good price. It doesn't have the lights, but that's ok. Will this fit on my SG?
Yep, but consider all the other parts to make this work before you decide if it's a "good price". Mine is currently in transit right now as a COMPLETE bolt on kit.
I know I'll need the lights- that's a given. Paint is a freebie. What else?
The lights alone will run $250+ for the pair unless you have a source for a used set. Download the following pdf file and compare what you can salvage from your stock fender. I plan to sell my takeoff fender as a complete unit to recoup part of my investment so I bought the kit ... off with the old & on with the new ... easier for me than to piece it.