Used Nuts for attaching the oil reservoir to the pump. Two nuts used for attaching the reservoir to the pump. Nuts fit the high pressure port. This is a pair of nuts.
Please follow the assembly procedures for the Ford power steering pump in the Ford shop manuals. Fits all small block V-8 engines, on 1970 Mercury Cougar and Ford Mustang. 1970 428CJ engines used a different pump with smaller diameter line fitting.