T31 (T3) turbine housing with 4 bolt outlet (2.5" bolt spacing). Fits turbine wheel found on all GT30 and GTX30 series ball bearing turbos such GT3071R, GT3076R, GT3082R, GTX30. This is the alternate T3 housing with the narrower 4 bolt pattern and NOT the standard "GT 4 bolt" housing where the exhaust flange bolt spacing is 3" and has a longer tapered discharge on the downpipe side.
|Exhaust Housing:||.82 A/R|
|Turbine Discharge Flange:||2.5" 4-Bolt|
This part does not have vehicle specific fitment