The Garrett GT30R turbine housing is a T3‑pattern exhaust housing offered with a 0.63 A/R, designed for GT30R turbocharger applications and supplied in Ni‑Resist. It provides the specified A/R and T3 mounting to suit systems requiring that turbine volume and bolt configuration, serving as the matched exhaust housing for compatible GT30R turbo assemblies.

Garrett GT30R THWA 0.63 A/R T3 (int w/g - 5 bolt out) (Ni-Resist)