ARP Perma-Loc Rocker Arm Adjuster - For Stamped Steel Rocker Arms - 7/16"-20 Thread 57341111 Impact PRO Series 3 inch

Impact PRO Series 3 inch x 3 inch into 2 Inch Latch & Link Restraints

Rotors fit solid mounting brake hats or hubs

GMC: Sierra 1500 19 - 19 AT4

3/8 in Ring Terminals

5" 10-bolt and other popular rear ends

ARP Perma-Loc Rocker Arm Adjuster - For Stamped Steel Rocker Arms - 7/16"-20 Thread 57341111 Impact PRO Series 3 inchA 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.