Welcome to the world a wastegated housing in T4 from the mothership Borg Warner cut to fit your favorite S300 turbine trims. This .83 A/R T4 housing is a perfect match for a variety of applications, especially 5.9 Cummins with aftermarket T4 manifolds. We slightly machine the inlet of the 76/68 version so it matches T4 perfectly. The 80/73 version is already a perfect T4.
13761009026 - .83 A/R T4 with 3.5" (4.21 marmon) outlet
13801009034 - .83 A/R T4 with 3.5" (4.21 marmon) outlet
We can machine the outlet to fit HX40 and industry standard 3" (3.625" OD Flat)