Front Spindles (94 vs. 96) Identification

There is an F5 part number spindle as well. Unsure what the change was, but i have one of each on my car...F4 and F5. Odd thing is they came off the same car.

94-95 spindles also push the front wheel out slightly. it's not much, maybe 1/4" or so. I have pictures of the same wheel on 5-lug fox rotors and my 94-95 spindles and you can see it came out a tiny bit.

96+ come out 8mm more than 94-95.
 
Here is something for a visual:

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check this website out northcobras.com or discbrakes r us and they brake it all the way down. The bumpsteer kit is very easy to install. just have your local machine shop drill out the hole where the red arrow is pointing to I believe to 5/8" and you are ready to go. How To Make Your Car Handle by fred pugh is a good book to read as for understanding the basics.