Prior to april 1 2016 gm 1500 trucks had either cast steel or aluminum control arms. Trucks manufactured on or after april 1 feature stamped steel upper and lower control arms. Pro comps new 4-inch k1173b and 6-inch k1171b kits will work on gm 1500s with aluminum or stamped steel control arms. If you have inventory of the previously-released pro comp oe aluminum application 6-inch k1165b or 4-inch k1159b kits you can add the new sway bar bracket kit 90-60616b that will allow you to use them on the new truck with the stamped steel control arms.
Brand: Pro Comp Suspension
