Are these good shackles?

[smokeeaterXJ]

Hey have u guys heard anything about Teraflex revolver shackles? Are they any good? How much more do they lift ur back end? And would I need to get a different DS length then the one I ordered from RE. Im going to have a 5.5 lift, SYE, CV driveshaft.

 

[Starboard M]

Try a search. That will tell you all you need to know.