I have a 2015 F250 4X4 4 door truck, at about 105,000 miles my truck started rocking to death. I bought a Monroe SC2967 steering damper in hopes of eliminating, or at least improving, bumps at high speed. The Monroe SC2967 steering damper had no effect on the tremor. I then bought 4 new Rancho 5000X front and rear shocks and a Revain Rancho RS5413 steering stabilizer kit. Last night I installed Rancho 5000X front shocks (2) on my truck but I was running out of time and had to stop for theβ¦