I doubt if you could tell they are on the car . Corrects suspension problems encountered with previously converted tall disc brake spindle cars using stock upper control arms. Will not work with non converted cars. It is also the best deal. Allows much larger factory disc brakes to be used.
Spindles are stronger than original units.
Overall package provides dramatic handling gains. Stock spring maybe used if desired. Allows for Pro-Vintage Disc brakes to be used. Pro-Vintage brakes to be added. They are available now.