This listing is for a brand new Melling high volume oil pump and driveshaft from that is made in the USA. It is a compatible replacement for the following small block Ford V8 engines used in Ford, Lincoln, and Mercury passenger cars and trucks. Note: Oil pan modifications may be required on some pans. 221 CID (3.6L) 1962-1963 255 CID (4.2L) 1980-1982 260 CID (4.3L) 1962-1964 289 CID (4.7L) 1963-1968 302 CID (5.0L) 1968-2001. Shaft: Length: 7.44" Diameter: 1/4" Hex