Empi 17-2884 Billet Aluminum Slave Saver Bracket For Mendeola 2D Transmissions. Works With AC301163 And AC301164 Heim Sold Separately. Note: AC301163 = Heim Joint 5/16" Ball x 3/8"-24, For CNC Or Neal Slave Cylinders. AC301164 = Heim Joint 3/8" Ball x 3/8"-24 For Empi, Jamar, Or Latest Rage Slave Cylinders.