ARP Perma-Loc Rocker Arm Adjuster - For Stamped Steel Rocker Arms - 7/16"-20 Thread SC04101 Use a dark shield during

Use a dark shield during the day and raise it to ride home at night without sacrificing protection

10 AN Female O-Ring Inlet

axle retainer

Big GM inlet thread is 7/16"-20

75 in Compressed / 17

ARP Perma-Loc Rocker Arm Adjuster - For Stamped Steel Rocker Arms - 7/16"-20 Thread SC04101 Use a dark shield duringA 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.