Model Compatibility: Fits - Bones, FLSTF, Lo Rocker, Bones, Breakout, CVO, and Blackline motorcycle models. Functionality: Regulator rectifier replacement that restores electrical regulation and AC-to-DC conversion function. Application Purpose: Designed as a direct-fit replacement for the motorcycle’s regulator rectifier unit. Electrical Specification: Matches the voltage regulation and rectification requirements of the listed - model variants. Installation Requirement: Mounts in the same location and connects using the existing wiring harness configuration of the specified models.