The Garrett GT28R turbine housing kit (overlap, T25 / 5-bolt) with a 0.64 A/R high-silicon casting is supplied as a turbine housing option for GT28R turbocharger builds. It features a T25 inlet and 5-bolt pattern suited to specific compressor housings. This housing is for turbo installers and engine builders needing a measured A/R and the T25/5-bolt interface to tailor spool and flow on GT28R-equipped systems.
Garrett GT28R Turbine Hsg Kit O/V T25 / 5-Bolt 0.64 A/R (Hi-Sil) (Special Order -Minimum Order Size)