ARP Rocker Arm Nut - 7/16-20 in Thread - 0.550 in Shank Diameter - 1.200 in Long - Chromoly - Black Oxide - Aluminum Rockers - Set of 16 IH100020 Holley Flange

Holley Flange

PairVehicle Applications: Jeep: TJ 1997 - 2006

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ARP Rocker Arm Nut - 7/16-20 in Thread - 0.550 in Shank Diameter - 1.200 in Long - Chromoly - Black Oxide - Aluminum Rockers - Set of 16 IH100020 Holley FlangeA rocker arm adjuster that doesn't require special tools and won't work loose. Threads on the heat treated Perma Loc Adjusters are machined exactly perpendicular to the adjuster bottom. a set screw is also machined flush on the bottom. All of these features help eliminate setting valve lash on a regular basis. ARPs product line contains thousands of part numbers, and has expanded to include virtually every fastener found in an engine and driveline.