Air Flow Research Adjusting Nut 8pk 7/16 x 2.600 BBC Intake AFR6215-8

Rocker Arm Nut - 7/16-20 in Thread - 2.600 in Length - Steel - Black Oxide - Stud Girdle - Big Block Chevy - Set of 8

Fasteners, Engine Fastener Kits, Rocker Arm Fastener Kits by AIR FLOW RESEARCH