For mounting Sport-Comp, Phantom, Ultra-Lite, and Pro-Comp tachs and gauges in cups on a dashboard.
(*) Note: 105-3201 and 105-3202: For use with all 2-5/8'' Electric and Sport Comp Mechanical Oil Pressure. (**) Note: 105-3203 and 105-3204: For use with all 2-5/8'' Mechanical except Sport Comp Mechanical Oil Pressure.