Harley Shovelhead cylinder base washer & chrome-moly air craft nuts - Black
8ea Shovelhead 1978-84 style cylinder base washer ( fits most big twin cylinders including earlier -66 shovelhead ) thick case hardened reinforcement "stud spacer" in black finish. 8ea High quality ARP air craft style chrome-moly black luster 12 point nuts with non mar flange fits all 36-84 big twin cylinder studs. These nuts are stronger than grade 8 and have a Class 3B thread fit, and a minimum Rockwell hardness of C34. Made in USA.
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