That's close but depending on how thick the locknut is you may have to add a little more than that. Remember for the adjustment you tighten it down to 72 inch lbs and back it off 2 turns.
Rustytools if you want a factory type I have one I can send you. Just PM me. Naturally buying it locally will get you up and running quicker but the offer is there.
Sorry but I must have misread your original post. Could have swore you said you had a 904 :violent1: