[486]
ugh, that guy again?
it mighta been 114mm (or whatever) but it's all the sameI didn't know gm had anything 5 on 4.5"?
you know all them FWD cars that had the 3.1s and 3.4s and buick 3800s and like every one of them had either a 4t60 or a 4t65
those
the bearings are held together with a snapring so you don't need a stub shaft to hold them together, the snap ring is held on by the sheetmetal ABS ring however, so you do need a bolt through them but it can be just a 1/2-13
and the three mounting holes are standard pitch M12 but they accept a 1/2-13 tap with no reaming necessary