ARP Rocker Arm Nut Kit - 3/8 (16) 300-8241

Arp Rocker Arm Nut - 3/8-24 in Thread - 0.620 in Shank Diameter - 1.200 in Long - Chromoly - Black Oxide - Stamped Steel Rockers - Set of 16-300-8241--Notes: State Restrictions- Canada Restriction-NO -Emission Warnings--NO Truck Freight ---NO