View Single Post
Old 11-07-2020, 12:41 AM   #4
gmc684x4
Registered User
 
Join Date: Jul 2012
Location: Whitehorse yukon
Posts: 1,218
Re: Identification of my 12 Bolt

70 to 82 are 30 spline
I am guessing 67 to 69 are as well

67 to 82 12 bolts take the same axle seals and bearings
On the earlier 63 66 ones i am not sure

I never counted splines last time i changed axle seals on my 68

63 to 66 are a course spline from my understanding

On earler open diffs easy as changing spider gears to a 30 spline from what i have read

Are you looking to switch to 5 bolt axles ?
gmc684x4 is offline   Reply With Quote