This 0.82 A/R T3 Divided turbine housing is purpose-built for Garrett’s GT28R, GTX28R, and GEN2 GTX28 turbocharger platforms, giving serious builders a genuine Garrett-cast upgrade path for twin-scroll applications. It’s the right choice for enthusiasts who demand factory-grade casting quality paired with a modern V-Band outlet for cleaner exhaust routing and improved response. If you’re running a 53.9mm turbine wheel and want twin-scroll benefits without sacrificing housing integrity, this is the component engineered for that exact application.
Specifications
- A/R Ratio: 0.82
- Flange Type: T3 Divided (Twin-Scroll)
- Turbine Wheel Compatibility: 53.9mm (76 trim)
- Outlet: Welded GT 3″ V-Band outlet
- Construction: Garrett casting
- Also Known As: GT28RS, 2871R, GTX28
Performance & Application
This turbine housing is designed for Garrett GT28R, GTX28R, and GEN2 GTX28 series turbochargers, making it a direct fit for enthusiasts running or building these specific platforms. The T3 divided twin-scroll configuration is intended to optimize boost response and spool characteristics by keeping exhaust pulses separated through the turbine inlet. Paired with the welded 3″ V-Band outlet, this housing supports a cleaner, more modern exhaust connection while retaining the twin-scroll benefits these turbo families are known for. It’s built for builders who want factory Garrett casting quality without compromising on twin-scroll performance advantages.
Compatibility & Fitment
- Garrett GT28R turbocharger models
- Garrett GTX28R turbocharger models
- Garrett GEN2 GTX28 series models
Frequently Asked Questions
- What is the A/R ratio of this turbine housing?
- This turbine housing has a 0.82 A/R ratio.
- What turbine wheel size does this housing fit?
- It’s engineered for a 53.9mm turbine wheel, also referred to as 76 trim.
- What type of outlet does this housing use?
- It features a welded GT 3″ V-Band outlet.
- What do GT28RS, 2871R, and GTX28 refer to?
- These are alternate names associated with this 0.82 A/R T3 Divided turbine housing, which is engineered for Garrett GT28R, GTX28R, and GEN2 GTX28 series models.



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