This Garrett G40 turbine housing kit is built for enthusiasts and shop builders who demand precise control over spool and flow characteristics in their G-Series turbocharger setup. Featuring a V-band entry and exit configuration, it’s engineered for fast, clean installation and seamless integration into custom exhaust systems. This is the housing of choice for serious builders who need reliable, repeatable performance from their G40 turbocharger platform.
Specifications
- Turbine Housing A/R Ratio: .85
- Turbine Inlet Configuration: V-Band Entry
- Turbine Outlet Configuration: V-Band Exit
- Turbo Series: G Series G40
- Garrett P/N: 757707-0027
Performance & Application
This turbine housing is designed specifically for the Garrett G40 turbocharger platform within the G-Series II lineup. The .85 A/R ratio delivers optimized exhaust flow for balanced spool and top-end performance in G40-based builds. The V-band entry and exit design maximizes compatibility with custom exhaust systems, making it a strong fit for builders who prioritize flexibility in fabrication. This housing suits applications where quick-change serviceability and tight integration with V-band exhaust components are priorities.
Compatibility & Fitment
- Garrett G-Series II — G40 turbocharger applications
Frequently Asked Questions
- What A/R ratio does this G40 turbine housing use?
- This turbine housing kit uses a .85 A/R ratio, optimized for exhaust flow and spool characteristics in G-Series applications.
- What type of inlet and outlet does this turbine housing have?
- This housing features a V-band entry and a V-band exit, enabling quick-change installation and maximizing compatibility with custom exhaust systems.
- Which Garrett turbocharger platform is this turbine housing designed for?
- This turbine housing kit is designed for the Garrett G-Series G40 turbocharger platform.
For builders running the Garrett G40 platform who need dependable exhaust-side performance with V-band convenience, this .85 A/R turbine housing kit delivers the flow characteristics and fitment flexibility the build demands.

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