Good quality parts, install is quick. Had a 2” level kit up front and then installed a 1.5” block in the rear. Noticed most lift kits come with the carrier spacer drop, but I decided to piece together my own lift kit essentially so didn’t end up getting this initially. Drove the truck about a month or so without it installed and did have a lower speed vibration and annoying vibration around 55. Went down the street low speed vibration is a lot less and the vibration around 55 is totally gone. Definitely recommend grabbing this.