Most all of them should get you to at least 3 or 4 degrees. I personally measured OEM, Tough Country, and JBA side by side. TC actually made it worse overall. But the JBA adds 4 degrees. So at the same setting you'd now move to about 6 degrees of caster. You'd then be able to move your arm back to a middle of the range setting and still probably get around 4* with room to adjust camber to spec as well. I think most all of them are similar in that regard.
Thank you