Replacing Axle Housing; knuckle alignment (1 Viewer)

[AlaskanWheeler]

I am replacing my axle housing with one from Proffitts and was wondering if I have to realign my knuckles with the new housing or just use the old shims? I will be using the original knuckles.
Thanks

 

[bustanutley]

specs?

 

[AlaskanWheeler]

'81 Fj-40 Soa,sr,38's,4.88r&p,marks Gears,2f,h42

 

[HawkDriver]

Highly recommend getting new shims because it will likely need different sized ones and you won't have to wait.