Air Flow Research Adjusting Nut 1pk 7/16 x 2.600 BBC Intake AFR6215-1

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

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