It is the one from chevy duty. part #76-977 the description is "Includes brackets and instructions for adapting late model power steering box to truck.
Places the steering box on the outside of the frame in front of the axle. steering shaft passes through the inner fender skirt after you make a small notch in the skirt at the bottom. Must order a Pitman Arm, Part# 76-986 and a u joint kit. If using the original steering coluum you must order a Conversion lower bearing 76-987."
