When the 426 HEMI was introduced in mid-1964 ... built for drag racing and used twin Carter AFB carburetors on a cross-ram intake manifold. The Track HEMI was rated at 425 horsepower while ...

The 426 Hemi emerged in 1964 as a race engine only ... by the huge rocker arms required by the valve architecture. The intake and exhaust were positioned transversally in relation to the cylinder ...