This Garrett G25 turbine housing is engineered for builders running reverse rotation configurations who need integrated wastegate control without sacrificing the flexibility of V-band connections. Its internally wastegated design and .72 A/R sizing make it a purpose-built solution for forced induction setups demanding opposite-direction shaft rotation. Choose this housing when your build requires precise, integrated boost control paired with Garrett’s proven G-Series engineering.
Specifications
- A/R Ratio: .72
- Rotation: Reverse Rotation
- Wastegate Configuration: Internally Wastegated
- Entry/Exit Type: V-band Entry/Exit
- Garrett P/N: 740902-0078
Performance & Application
This turbine housing is designed specifically for the Garrett G25 turbocharger platform in reverse rotation applications. The internally wastegated configuration provides integrated boost control, simplifying plumbing and installation for builders who need this feature built into the housing itself. The V-band entry and exit ports offer a secure, easily serviceable connection method favored in performance turbocharger installations. This housing is best suited for forced induction builds specifically requiring reverse rotation shaft direction.
Frequently Asked Questions
- What is the A/R ratio of this G25 turbine housing?
- This turbine housing has a .72 A/R ratio.
- Is this turbine housing internally or externally wastegated?
- This is an internally wastegated turbine housing, meaning boost control is integrated directly into the housing.
- What rotation does this G25 turbine housing support?
- This housing is configured for reverse rotation, designed for applications requiring opposite-direction shaft rotation.
- What type of entry and exit connections does this housing use?
- This turbine housing features V-band entry and exit ports.
For builders requiring a reverse rotation G25 configuration with integrated wastegate control, this Garrett turbine housing delivers the exact specification needed for a properly engineered forced induction system.


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