Jetprime - Precision Control, Supreme Quality, Plug-and-Play Convenience Jetprime Rear Bracket for RHS 4 button Switch Panels For use with 4 button switches that are designed to mount onto OEM or Brembo RCS master cylinder but where mounting to the master cylinder is not possible or desirable. compatible switches include JPPLD006-02 JPPLD006-03 JPPLD006-04 JPPLD006-06 JPPLD020R JPPLD020S Part No. JPBR20R