**If you are running the stock derby cover you will need Reduced Flange. If your derby cover fits a normal flange choose that option. Don't know? Reach out to us or the maker of your derby cover.** Want your M8 Bagger to stand out without sacrificing any performance? Look no further! Our ARP M8 Bagger Bolt Kit will turn heads and optimize your bike. This complete kit includes 97 high-quality ARP bolts to replace low-grade factory bolts. All of our bolts are proudly handmade in the USA.