ARP Perma-Loc Rocker Arm Adjuster - For Stamped Steel Rocker Arms - 7/16"-20 Thread Rocker Cover Fastener 380 lph at 90 psi

380 lph at 90 psi

Excellent Thermal Properties For Cooler Running Temperatures

The world of motorsport has changed out of all recognition since those early days and AP Racing have spearheaded every major development in brake technology

eliminating the possibility of retempering due to exhaust temperature cycles

9 hp and 200 ft

ARP Perma-Loc Rocker Arm Adjuster - For Stamped Steel Rocker Arms - 7/16"-20 Thread Rocker Cover Fastener 380 lph at 90 psiA 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.