With a 2.000" overall length, this adjusting nut is designed for 7/16" rockers with a stud girdle.
Stud Girdle Adjusting Nut for 7/16" Stud
Engine Rocker Arm Adjusting Screw
4508-1 - Stud Girdle adj Nut,7/16
COMP Cams Stud Girdle Adj Nut7/16
Stud Girdle adj Nut,7/16
RockerArm Adjt Screw
None