Brothers new tubular a arms were designed specifically for lowered 1963-72 trucks! Besides the custom look, these arms function to correct improper upper a arm offset caused by lowered coils and/or drop spindles. The new tubular arms will allow for easy alignment settings without the hassle of using large amounts of shims. For trucks with power steering, these arms offer an added bonus by allowing caster to be increased beyond the factory setting of 2.5 Degrees. Stabilizing the front end & eliminating following the road.