one molding would not take a vary big diameter pipe to put it in. but the 68 has a bend in the front that the 69-70 does not have. the mounting clips are the same style a number of years. if you get this one then what ever you do try to get the clips there is always one or two broken or rusty. those are the parts that is impossible to get. trim in good condition is expensive and hard to find when you looking at only one or two years or one modal that it fits. expensive to get repaired also. but like this one he is up to were getting it or one repaired is a wash. how ever your over a barrel as you don't have one to repair. havign redone a few of these I can tell you the number of things I would take off that car if I was there. most people would pass up or tear up getting some this else off. but there is som many small parts you just can't get any more. the trim around the load floor is one exampel. all i need is one piece 2 ft long just like this or that. realy drives you nuts