hard fiberglass Tonneau Cover

[hotrodharley]

went to a esstat sell and i bought a fiberglass tonneau cover;;there was 2 83--84 chevy long box trucks there also so i aSSUMED THE COVER CAME OFF THEM[COVER WAS RED AND ONE TRUCKS WAS RED]..LONG STORY SHORT GOT HOME WITH IT TO INSTALL AND NO FIT;;MY BED IS SAME SIZE FRONT AND REAR[84]THE COVER IS NOT;;IT IS WIDER ON ONE END THEN THE OTHER;;THINKIN MUST BE FOR NEWER TRUCK;;I REMEMBER SOMEONE TELLING ME FROM 86 OR SOMEWHERE IN THAT YEAR THEY DID THIS ON CHEVY TRUCKS;;CAN ANYONE TELL ME WHAT YEAR THEY DID THE TAPERED BED..TRYING FIND OUT WHAT YEARS COVER WILL FIT..