ARP Perma-Loc Rocker Arm Adjuster - For Stamped Steel Rocker Arms - 7/16"-20 Thread Rocker Cover Fastener ARP offers a special version

ARP offers a special version of its rugged 200

Made with new lightweight materials for your comfort and safety

Excellent Thermal Properties For Cooler Running Temperatures

185 in Long

0-15 psi Fuel Pressure GaugeAeromotive Inc

ARP Perma-Loc Rocker Arm Adjuster - For Stamped Steel Rocker Arms - 7/16"-20 Thread Rocker Cover Fastener ARP offers a special versionA 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.