This was the email from them on measuring for it.
To determine the proper shift boot height drop for your short shifter, we'd need you to measure:
- distance from front corners of shifter plate to where you want the top of the shift boot to be located
- likewise distance from rear corners of shifter plate to where you want the top of the shift boot to be located
It needs to be measured across the longest travel distance. So if you have a typical setup of 1,3,5 on the front and 2,4,R on the back, it would be 2 for front-right corner, R for front-left, 5 for rear-left and 1 for rear-right corners, respectively.
You can just paste that info in the comments field on the order form and choose shift boot height adjustment to OTHER (it's one of the available selections). We'll take it from there!
So, I gave them, "front-right corner 2 1/2", front-left 2 1/4" , rear-left 3" and rear-right corner 2 1/4"