Borgeson Manual Steering to Power Steering Conversion Kit for 1967 Chevrolet Cor. Steering > Steering, Gear and Related Components > Manual Steering to Power Steering Conversion Kit. 67-82 Corvette with factory P/S; 12.7:1 ratio. 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.