Meet Toyota's First Mass-Produced V8, the Japanese Hemi You Never Knew Existed
The 1960s saw the revival of Chrysler’s famed HEMI engine in the shape of a gargantuan 426-ci (7.0-liter) developed for NASCAR dominance. A year before its track debut, Toyota introduced its first series-production V8, which featured hemispherical combustion chambers.
Source: autoevolution.com