This large bore billet flange is machined to fit the Infinity Q45 throttle body opening and tapped to fit the 8mm bolt pattern. Made from 6061 T6 billet aluminum, this flange can easily be welded onto an existing manifold or used for a complete custom manifold.
3.22″ (82mm) Bore
This is for the machined flange only. Throttle body not included.