Building your own turbo kit? This is the perfect solution to your oil drain problem! This billet aluminum piece will fit any model Duramax from 2001-2016 and is threaded to accept 1/2″npt fitting.
Machined steel 4.62″ flange (S400 flat V) for your S400 turbo. Most Borg Warner S400 T4 turbine housings utilize this style exhaust outlet flange. It has a machined recess to accept a 4″ pipe.
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