Steering > Steering, Gear and Related Components > Manual Steering to Power Steering Conversion Kit. P/S Conversion Kit; Fits 65-66 Mustang with Manual Steering and 200/250 Inline 6. All Necessary Components, Power Steering Conversion Kit, Quantity needed per vehicle: 1. 1965 1966 Ford Mustang Base 3.3L L6 GAS OHV. Borgeson has been supplying steering universal joints for street rods and racing vehicles for many years.In that time, they have developed their needle bearing universal joints into the most reliable, smoothest operating, strongest for their size, u-joints available. Borgeson also offers street rod accessories, steering boxes, steering shafts and other components to keep you going in the right direction.