ARP Perma-Loc Rocker Arm Adjuster - For Stamped Steel Rocker Arms - 7/16"-20 Thread Valves 1968-1974 Mercury Montego

1968-1974 Mercury Montego

Some or all of the applications listed are 50-state exempt

2-1/2 in Turn Down Tip

2005-2006 Chevrolet SSR

high-grip rubber palm inserts

ARP Perma-Loc Rocker Arm Adjuster - For Stamped Steel Rocker Arms - 7/16"-20 Thread Valves 1968-1974 Mercury MontegoA 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.