This kit has all the hardware needed to mount the control for the newer Western Striker, Tornado, Pro-Flo 525 / 900 or a Fisher Steel-Caster, Poly-Caster and Speed-Caster 525 / 900. And Snowex Spreaders. This some times goes by part # 52360 as well.
This fits many controllers including 52430, 99773, 99774, 52452, 52450, 52460, 52465, 52467, 52462, 52432, 99533, 99534, 52467, 52442 and 52440.
See below for the complete hardware included in this kit.
If you'd like the related control and wiring set-up, check this link.