Aldan American - Coilover Kit GM - 7000193Made in the U. S. A. Nighthawk Performance coilover kits from Aldan American feature a Type II black anodize shock finish offering greater durability, easy to clean and a sleek show stopping shock finish for your ride. These Aldan American shocks are designed for both front and rear positions, offering single adjustable valving for superior performance. With 180 front and 66 rear valving adjustments, you can fine tune your ride for optimal handling