My rig. Bilstein 5100's, 2012 FJ springs off a 4 wheel drive model, small spacers in back and 3rd perch up front. I've been very happy with the height and ride quality.
I've never had an issue with my truck til now. Randomly upon startup I'll get a very hard brake pedal with seemingly no pedal pressure. The brakes pretty much don't work.
Then after a few seconds, the brakes return to normal, and my truck stops on a dime.
No dash lights or warning sounds and...
My 05 Lift
2012 FJ springs, 5100's, 1" Cornfed spacers out back and front struts set to 1.75" of lift. Love the height and how she rides. Took about 3 weeks to break in. Now a much smoother ride.