Community Q&A Question: Axle question

Asking About: Mustang Ford Performance 3.55 Gear Kit for 8.8" Rear End (86-09)


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Axle question

What axle splines would work with these gears? 28 or 31 spline?
from Humboldt |
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Axle splines depend on your carrier not ring and pinion. I have these gears installed in an otherwise stock 28 spline differential. Also highly recommend getting the FMS traction lok clutch rebuild pack and do it at the same time!
from Dana Point |
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I do believe the gears themselves don't dictate what spline axles you use. A gear swap doesn't interfere with what spline axles you use. Please confirm this with a tech here but when I installed mine, what spline axles I had was not required.
from Boynton Beach |
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