COMP Cams 4509-16 - Stud Girdle adj Nut,3/8

COMP Cams Stud Girdle Adjusting Nuts for Roller Rockers Arms for 3/8" Stud COMP Cams Stud Girdle Adjusting Nuts are precision ground for minimum runout. For 3/8" Studs; .600" Base Diameter; Precision ground for minimum runout