Overview Reviews Product Description Rocker Arm Stud - Pro Series - 8 mm x 1.25 Base Thread - 5/16-24 in Top Thread - 1.460 in Effective Stud Length - Chromoly - GM LS-Series - Set of 16 Product Videos Custom Field Product Reviews Write a Review Write a Review × ARP Rocker Arm Stud Kit GM LS Series Engines Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *