Needed for many of the 1998-2005 RoadGlide fairings when upgrading from the stock 5-1/4" speakers to J&M 7-1/4" speakers or when replacing the stock Harley 5" x 7" speaker plates that are used on 2012-13 CVO RoadGlide fairings, to speaker plates that can be used with the Harley 5-1/4" or J&M 7-1/4" speakers This kit includes both left and right side speaker adapter plates along with mounting hardware Replaces OEM 77021-98B, 77022-98B