QA1 15-20 Ford F150 2WD/4WD Spindle Pair 2in DropProduct Overview The QA1 2 drop spindles offer an easy, bolt in solution to lower the front of your 2015 2020 F150. These spindles are compatible for both 2WD and 4WD applications in all cab configurations. QA1 Offerings QA1 also offers drop solutions for the rear of the truck, as well as adjustable ride height front coilovers that pair up great with these drop spindles to provide a full ride height adjustable solution. Or simply bolt in the spindles