A518/46RH transgo TFOD-HD2 shift kit install

The availability of what drill bits that you can find may influence you in what size you select.
Common sizes are:
3/32=== .0938
7/64=== .1094
3mm=== .1181
1/8==== .1250
9/64=== .1406
I did the 3/32 and the 1/8