Offenhauser Dual-Port 360 intake manifold on inline six with val…

Inline-six with the valve cover off, showing all twelve rocker arms, valve springs and pushrods above a cast-aluminum Offenhauser 'Dual-Port' intake manifold marked 360. A four-barrel carburetor adapter plate sits loose on the manifold and rusty exhaust manifold runners are visible behind it.

AI caption February 2011 · Photo 407 of 1562