This is the HiSun Factory Clutch Sheave Plate, not cheap copies.
Make sure to place the Spacer Washer under the Flange Nut after the splines have overlapped properly.
No Spacer Washer is needed for the Secondary Clutch.
The Long Arm UTV Sensor has been Discontinued and only the Shorter Arm 'ATV' is available and works well.
You can bend the wire arm to help get the best reading.