I agree for a shell and that year, that's way to high. The most desirable years imo are 70/71 for both challengers and cudas. If that car is completely rust free 6k is max I would pay. Is there interior with the car, and is it in good shape? Just to give you an idea I paid 6k for my 71 challenger shell in 2013. Prices might have gone up a bit since then but w/o pictures I'd only really want to pay 4-5k, 6k max. Good luck.