This CNC-Series 5" billet aluminum power steering pump pulley is designed to work exclusively on Ford power steering pumps. Depending on year and engine size Ford offered 2 different diameters a 5" and 5.5". Be sure to measure your original to get the right diameter. They are interchangeable and both will work for just about any application. This smaller 5" version provides more power assist a low RPM especially idle but not ideal for racing or high RPMs. The larger 5.5" is best suited for high RPM and high speed driving.
Any Ford from 1965 to 1973