How bad is the warping? I'd think it would pull back to shape once installed. Hopefully the mounting tabs aren't broke off. They are side specific, so make sure you don't have two lefts, or something like that. After a test fit, send them to redo the plastic chrome, or just paint if your on a budget. The metal clips are the same ones used on the 'Cuda grill red lines, and were available reproduction from Year One last I checked (it's been a while). I found that the reproduction clips gripped to tightly for my taste, so I suggest sticking a little screwdriver in each clip and giving it a twist to expand the teeth. That will help to keep you from busting off the 41 year old plastic mounting tabs during installation.
Tav