The repo rocker spears are for 67-68-69 Darts.
I am not sure if I still have these or not, but I advertised last year a pair of rocker spears for 73-74-75 Dart: http://www.forabodiesonly.com/mopar/showthread.php?t=175406. Sold the fender but think I still have the wider spears.
If that's...