Woud it be a bad idea to use bed liner paint on a 66 chevy?

I've seen stuff thats paint for the bed and it can be an alternative to a plastic bed liner. the bed of my elky is painted just like the body but I have scratched the clearcoat and through the primer all to hell hauling stuff. Its a show winner in really good shape, would bedliner paint hurt the value? And can i put it on top of the current paintjob?
 
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