There is a heat shield that sits on top of washers on top of the motormounts and under the motor itself. Cullen Bennett has kindly supplied us with the dimensions of the heat sink and washers.
Click here for the 8K image.
Be aware that Tiger motormounts are specific for the right and left sides, although they will fit on the opposite sides. If you do mount them on the wrong sides, the motor will sit a little forward of where it should, encouraging the fan to get very close to the steering rack, especially if you have a custom fan.