4.5" LIFT KIT 14-18 CHEVY/GMC 1500 W/ CAST STEEL UCA

Important Note: Fits models with Cast Steel upper control arms only. Factory 17" and 18" wheels cannot be reinstalled due to tie rod end interference. Maximum Rear Shock length is 29-3/4" due to driveshaft to cross member interference. Requires 1/4" wheel spacer to accommodate stock 20" rims. To reduce trimming required for tire fitment, a 20" wheel w/5.75" backspacing is recommended.