Use on all primaries between front primary chain and motor sprocketMade in the U.S.A. Harley-Davidson -- 15th Anniversary Fat Boy FLSTF -- (2005); Harley-Davidson -- Softail Heritage Springer EFI...
Inner collar will retain wrench to nut for safer workRemove hex nut from end of main drive gear that secures the rear drive transmission pulleyExtra-long two-piece designMade in the U.S.A.