The Holden V8 engine, also known in some circles colloquially as the Iron Lion (versions from 1969-1985 were also often called the Holden 253 or Holden 308 up until 1974 then Holden 4.2 and Holden 5.0, depending on their capacity), is an overhead valve (OHV) V8 engine that was produced by the Australian General Motors subsidiary, Holden (GMH), between 1969 and 2000.

The