The Garrett G30-900 standard rotation turbocharger is engineered for enthusiasts and builders who demand serious top-end power without sacrificing the responsiveness of a well-matched compressor and turbine combination. Built on Garrett’s proven G Series platform, this unit is suited to high-output applications where a divided twinscroll turbine housing and V-band outlet are required for maximum efficiency. It’s the choice for builders who need a turbo that can support big power while retaining precise control over exhaust pulse energy.
Specifications
- Compressor Wheel Inducer: 62mm
- Compressor Wheel Exducer: 76mm
- Compressor Wheel Trim: 65
- Compressor Housing A/R: 0.72
- Compressor Housing Inlet: 4 inch
- Compressor Housing Outlet: 2 inch
- Turbine Wheel Inducer: 60mm
- Turbine Wheel Exducer: 55mm
- Turbine Wheel Trim: 84
- Turbine Housing A/R: 1.06
- Turbine Housing Inlet: T4 Divided inlet (same flange size and placement as GTX)
- Turbine Housing Outlet: 3.55 inch (90mm) O.D. w/81mm centering ring V-Band
- Bearing System: Ball bearing
- Rotation: Standard rotation
- HP Capacity: Up to 900 HP
- Oil Feed Fitting: Includes Oil Feed (1mm) Restrictor Fitting to -4AN
- Coolant Fittings: Includes two Coolant Fittings to -6AN
- Garrett P/N: G30-900
Performance & Application
The G30-900 is designed for high-output forced induction builds where standard rotation and a divided T4 twinscroll turbine housing are required to manage exhaust pulse separation. With ball bearing construction, this turbocharger is built to support up to 900 HP, making it a strong fit for enthusiasts pushing serious power levels while retaining sharp throttle response. The V-band turbine outlet and twinscroll divided inlet configuration make it especially well suited to builds that demand both efficient spool characteristics and strong top-end performance.
What’s Included
- Oil Feed (1mm) Restrictor Fitting to -4AN
- Two Coolant Fittings to -6AN
Frequently Asked Questions
- What HP can the Garrett G30-900 support?
- The G30-900 delivers up to 900 HP.
- Is the G30-900 a ball bearing or journal bearing turbo?
- The G30-900 features ball bearing construction.
- What turbine housing A/R and inlet does the G30-900 use?
- It uses a 1.06 A/R divided T4 twinscroll turbine housing inlet, which shares the same flange size and placement as the GTX turbine housing.
- What outlet configuration does the G30-900 turbine housing have?
- The turbine housing outlet is a 3.55 inch (90mm) O.D. V-band with an 81mm centering ring.
For builders targeting up to 900 HP with the response benefits of ball bearing construction and a divided twinscroll turbine housing, the Garrett G30-900 standard rotation turbocharger delivers the performance foundation a serious build demands.



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