QA1 Suspension Spindle Drop Set 9056-120Product Overview Looking for a clean way to lower the front of your NBS truck without compromising ride quality? QA1s 2" drop spindles are a simple, effective solution for achieving a lower stance while preserving suspension geometry and steering performance. Designed specifically for 2WD 19992006 Silverado 1500 trucks, these spindles work seamlessly with QA1 coil overs and control arms. CLEAN, CONSISTENT FRONT DROP These spindles deliver a true 2"