I have for sale a pair of door sill plates from Year One. P/N E43 that fit the 67-76 A-body cars.
1966-74 A B E-Body Flat Finish Sill Plate 1967 1976 A Bod...
I put them in my 71 Demon race car a number of years ago and are still in excellent shape. The only issue is that the one that I had on the driver side got a few dings in it when the safety harness latch was laying on the surface and I closed the door. No dings or dents...
Used Year One sill plates, 67-76 cars