What year upper arms are these?

FRAYMD

Not-quite-so-new-guy
Oct 13, 2017
42
3
8
#1
Just looking for info on the year for the upper arms that are on the chassis. The new ones are 2wd S10 uppers.

20180310_105306.jpg
 

FRAYMD

Not-quite-so-new-guy
Oct 13, 2017
42
3
8
#2
Just looking for info on the year for the upper arms that are on the chassis. The new ones are 2wd S10 uppers.
received_10155962518350326.jpeg

View attachment 84494
I have a buddy working on the front end. Can anyone ID the wider arms??? Narrower ones are 2wd s10. They obviously won't fit.
 

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