This is a new CHROME Saginaw Style Power Steering Pump with Chrome Cap and a new. Chrome Early GM Chevy GMC Key Way Double V Groove Power Steering Pump Pulley. Part # R3913C and 8947 (aka 9609X). This quality pump and reservoir will fit most cars from 1965 to 1979 that used the Saginaw style pump with a bolt on pulley with 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. The chrome steel two groove key way power steering pulley is for early GM (up to 1984) and has a 5-7/8 diameter. New items are being added daily.