Check the listing for details. Rockford Fosgate RFK-HDRK Amp Install Kit for 98+ Harley Davidson Road King. Condition: Used. Listed at 242.99 USD. Complete plug-and-play wiring harness and mounting bracket for installation of a TM400X4ad amplifier (sold separately) inside the rear of the saddlebag. The Road King kits are designed to deliver an exceptional sound experience while retaining as much interior bag space as possible. The RFK-HDRK complete amplifier installation kit is designed for use with 1998-2013 and 2014+ saddlebags and includes templates for both types. The amplifier carrier is designed for use with the Power TM400X4ad 400-watt amplifier (sold separately.) Kit includes amplifier wiring harness, amp mounting carrier, saddlebag harness cutout templates, factory wiring integration harnesses, and Bluetooth audio module. Wiring harness includes extensions for lower fairing speakers to be installed at a later time.