If you’ve installed Goodmark Quarter Skins please read…
I have these as well. Have not started on the replacing my originals yet as I have other irons in the fire right now, however most people doing these using most of the skin, are leaving about 1-2 inches of original quarter skin at the front door jamb edge, rear taillight edge, and about 1 inch at the top, and butt welding the 2 skins together.
I do know this, the hole stamping for the gas cap is off, and will require weld filling, rework and drilling new holes to center it. Also the wheel opening is stamped a little smaller radius letting this panel slide right over the top of an original panel. This means there will be one hell of a gap between the wheel opening flange of the new panel and the outer wheel house flange. Personally, I know I can make these fit, but i have a decent amount of metal working experience.