Patent ID: 8056525

Claim:
An internal combustion engine, having an induction system comprising: an upper intake for receiving air moving to the engine's cylinders; and a lower intake, connected to the upper intake, with the lower intake comprising: a cylinder valve actuator cover mounted upon a cylinder head of the engine; a plenum for receiving air from the upper intake, with the plenum having a floor which is common at least in part, with an upper portion of said cover; a plurality of injector ports, with each of said injector ports receiving a fuel injector mounted to said cylinder head; and a plurality of intake runners extending outboard from the plenum and across said cover to a plurality of intake ports configured in the cylinder head, with each of said intake runners having a floor which is common at least in part, with the upper portion of said cover, and with each of said intake ports being divided into a swirl port and a helically directed port.