ARP Perma-Loc Rocker Arm Adjuster - For Stamped Steel Rocker Arms - 3/8"-24 Thread R040004L After a rigorous design and

After a rigorous design and testing phase

these shoes not only provide safety but also make a stylish statement in the pit area

fuel resistant nitrileTo us

ARP stainless steel header studs are made from premium 300 stainless steel

1985-2003 Buick Century

ARP Perma-Loc Rocker Arm Adjuster - For Stamped Steel Rocker Arms - 3/8"-24 Thread R040004L After a rigorous design andA 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.