454 Rocker Arm Studs

 These studs are  .200 longer than stock rocker suds and are 7/16 in diameter for rockers and  7/16 in head.  Threaded portion on the stud is .200 longer then stock providing extra thread contact for poly locks and roller rockers. Overall length is 2.800, length below hex is .750, length below hex to top of stud is 2.050. They will still clear standard height valve covers without any interference.