The term Cadillac V8 may refer to any of a number of V8 engines produced by the Cadillac Division of General Motors since it pioneered the first such mass-produced engine in 1914. Most commonly, such a reference is to one of the manufacturer's most successful, best known, or longest-lived 90° V8 engine series. These include the pioneering overhead valve cu in introduced in 1949, made in three displacements up to 390 cu in (6.4 L); a introduced in 1963 that grew to ; and a introduced in 1968 and enlarged to 500 cu in (8.2 L). Also notable was the , which debuted in 1992 as a 4.6 litre, and was also produced in 4.4 L and 4.2 L versions.