61028 32930 71 : MAST SUB ASSY, OUTER HUB KIT Air Horn Bolt to Bolt Intake Hole Air Horn Bolt to Bolt Intake Hole 2 1 2" n a 2 3 8" 1 km h to 1600 mph (depending on model) Direction sensing capability Robust design for harsh environments Short circuit and reverse voltage protection **Additional Information:** Utilizes magnetic field variations to detect movement of ferromagnetic targets Provides digital square wave output signal Available in various housing materials including stainless steel and aluminum Multiple connector options and pre leaded terminations available Designed for continuous operation in demanding conditions Fail safe stop signal provided at power on or when no dynamic signal is detected 61028 32930 71 : MAST SUB ASSY