i just lifted my xj with a 6.5 inch long arm kit and i have the worst vibration in the world i would like to know what would be best for me in the terms of a slip yoke eliminator...

 

I recommend the best SYE that you can fit in your budget, and meets your needs...

Seriously though, just google it and you'll find all the info you need on different options.

 

yes some of them can be a bit pricey

 

I dont know if i'd be driving that without an sye. I can imagine the ujoint operating angle is maxed out and binding.

 

Go th ironrockoffroad.com. you can pick up a SYE with a driveline for $200. dont keep driving it like that. you will mess up the tranny.

 

You either need a SYE or you Don't. Rest is about cost.
There's really only 2 choices. Due you want to spend $400 and do a tail shaft conversion (like advanded adapters or toe woods) or $200 for a HacknTap at IRO? Many different "brands" out there all about the same thing.