I'm puzzled. I'm running the TF leveling kit without any issues at all. I tend to take corners a bit hard on the road, too, but haven't seen any excess body roll.

Sent via Jeep wave from my NSA-approved domestic-espionage device.

 

I told her to take the jeep back and get aligned. Ask for the numbers and then I can go from there.

 

I followed this write up of Eddie's for reference and loosen all parts and set down on ground and tightened and torqued.

Jeep JK Wrangler 2.5" Budget Boost Installation Write-Up

I added shocks, springs and full TF kit. I have been running for most of the 109,000 miles I have on mine. Like I said no problems. Hope you can figure it out. Maybe show some pics of suspension?

 

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I put 1.75 in front and .75 in the rear on my wife's '15 Sahara, and 285's. We've never experienced any excess roll or anything where we wouldn't want to drive it. I would check the numbers and make sure there are no other worn parts etc ... Good Luck!