When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
Have you checked out why?
Are the bars twisted, the rear adjustments been played with trying the change the trim height etc.
Are your tires worn on their inside tread area?
Otherwise change the bars.
It's a lot less work than changing over with other parts.
Upper mounts would have to be installed as well as lower control arms to house the coil springs. Shocks have to be changed.
Either way you will need front end alignment.
Good luck.
iv only got 3 inches of travel in the front im always hitting the bump stops I compared my truck to my dads who's is a year newer and is a fx4 has the same amount of travel