I have this set of NOS rocker panels that are missing the original packaging(hence also the part number). The measurements are 39.5" long at the longest point and 3.5" wide. Not to sway anyone's guess, but they may be off of a mid to late '70's B-body as that was what else was included in my purchase. I will not/do not have a need for these but would like to identify them so I can put them up for sale. Thanks for any help you can provide.