I am selling a new, never installed set of Trick Flow rocker stud girdles for 5.0 engines with 7/16" studs. These are about $125 new from summit racing. I am asking $40 plus shipping. Requires tall valve covers. Part number is TFS-51400701. Email or call or text John at 501-551-1192 with questions. I have lots of other parts for sale as well.