Air Lift Loadlifter 5000 Air Spring KitGet your Mustang S550 low without sacrificing ride quality. Air Lift Performance air spring suspension gives you maximum drop with superior handling, a sharp steering response, and a comfortable ride. With a huge range of damping adjustment and lightweight components (lighter than coilovers), you cant choose a better lowering kit for your ride. Add the versatility of the monotube dampersfor the best performance on both the track and the streetand Air