Fabtech 15-18 GM C/K1500 SUV 2WD/4WD 4in Budget UCA SystemThe 4" Budget System for 2015 GM 1500 SUV's provides a mild lift height, supple ride and clearance for 33" tall tires satisfying the value minded enthusiast. Fabtech's replacement DOM upper tubular control arms feature heavy duty extended range ball joints that provide additional strength to the front suspension. The new ball joints provide unrestricted movement throughout the suspension travel range for smooth operation. On 4WD models the front