Harley 66-84 shovelhead rocker box valve cover chrome-moly air craft nuts - Black
New high quality air craft style ARP hardware for your 66-84 big twin Shovelhead rocker boxes. Includes 18ea chrome-moly black luster 12 point nuts with non mar flange. These nuts are stronger than grade 8 and have a Class 3B thread fit, and a minimum Rockwell hardness of C34. Thick case hardened black washers are also included. Made in USA.
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