Brake Caliper Mount Adapter for Harley-Davidson 2000-Up to Retrofit on 1984-1999 Front Ends Chrome Billet Caliper Adapter for 2000-Up Big Twin Harley-Davidson Brake Calipers Retrofits Big Twin Harley-Davidson 2000-Up Brake Calipers onto 1984-99 front ends.Now you can use your OEM calipers with any bad ass custom front ends. Modify your bike without any headaches and extra expenses. All mounting hardware is included. 2-3/4" 3-3/8" *Product ID = 214