I received my lift kit today and in the kit was a rear track bar bracket and a rear track bar weld on brace. My question is do I need to install both?

 

Is this what you got? If so, I don't think you need to install both. The kit should have only come with one of them.

http://www.teraflex.biz/jk-wrangler-...inch-lift.html
http://www.teraflex.biz/jk-wrangler-...lift-1456.html

My 2.5" kit came with the beefier brace, so that's what I used.

 

Mine came with the beefier brace like the second one, but it also came with one that raps around the axle that has to be welded in. I will try and get the Part number tomorrow and post it. I did not get the small brace.

 

Hmm. Keep us posted. I have the one in the second link (part #1954776), and it mounts to the rear axle at the factory trackbar location. The u-bolt wraps around the axle. The printed instructions that came with my kit didn't mention welding, but the description on the Tearflex website does.

It sounds like you may have received an extra part. Got any pictures?

 

I think I have figured it out. It is a JKS brace... I ordered the front and back adjustable track bars and that's the extra brace.