1975 and later vehicles will require a new hose to go from a metric o-ring style to the 5/8 Inverted flare. A different bracket must be used if your alternator is mounted over the exhaust manifold towards the outside of the head. Due to alternator belt interference problem with base and adjusting arm. Designed for both long and short water pump. This is for an OE style Saginaw power steering pump with a new reservoir, cap, chrome hardware and new dipstick.Early Chevy style 1965-79 pump with threaded and 5/8 keyed shaft. Pump has a 3/8" hose barb for return line and a female 5/8"-18 inverted flare fitting for the high pressure outlet. Equivalent to original pump found on 1970-74 Camaro/Firebird, 1970-74 Nova, 1970-74 Chevelle/Malibu, 1970-74 Monte Carlo and many more.