T4 to T6 Twin Scroll Turbo Adapter Flange for Dodge Cummins

T4 to T6 Twin Scroll Divided Inlet Turbo Adapter Flange Plate for Dual Volute S400 Series Dodge Cummins   This is an adapter flange to interchange between a T4 and T6 turbo. It allows you to mount a T6 turbo on a T4 manifold. The large foot-print of T6 turbo can be bolted to a T4 manifold or a T4 Turbine Diverter Valve with this dual throat adapter flange.     Smooth port transition machined to gasket opening for maximum flow Bolt center spacing is 3.25" x 2.75" for T4 M10x1.5 bolts (included) Bolt center spacing is 4.42" x 2.75" for T6 M10x1.5 tapped holes 1/2" Thick (will not warp from heat) Face milled for proper sealing Made from A36 Steel (Not Cast) for optimal strength   These exhaust flanges are CNC machined for high quality and accurate assembly. AZ CNC Manufactruing is your direct source for all your custom exhaust needs. Please feel free to contact me for any custom sizes or parts.    Made in the USA Compatible Vehicles 2007-2010 6.6L GM Duramax LMM2006 - 2007 6.6L GM Duramax