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

Arp Rocker Arm Nut Kit - 3/8 (16) 300-8244Rocker Arm Nut - 3/8-24 in Thread - 0.600 in Shank Diameter - 1.200 in Long - Chromoly - Black Oxide - Aluminum Rockers - Set of 16

Arp Rocker Arm Nut Kit - 7/16 (16) 300-8242Rocker Arm Nut - 7/16-20 in Thread - 0.640 in Shank Diameter - 1.200 in Long - Chromoly - Black Oxide - Stamped Steel Rockers - Set of 16

Arp Rocker Arm Nut Kit - 7/16 (16) 300-8245Rocker Arm Nut - 7/16-20 in Thread - 0.550 in Shank Diameter - 1.200 in Long - Chromoly - Black Oxide - Aluminum Rockers - Set of 16

Arp Rocker Arm Nut Kit - 7/16 (16) 300-8246Rocker Arm Nut - 7/16-20 in Thread - 0.600 in Shank Diameter - 1.200 in Long - Chromoly - Black Oxide - Aluminum Rockers - Set of 16