The Garrett G30-770 reverse rotation turbocharger is engineered for serious performance builds that demand aggressive spool with strong top-end power, all in a compact G Series footprint. Its reverse rotation configuration and V-band construction make it the choice for enthusiasts building custom, high-output setups where housing orientation and packaging flexibility matter. This is a turbo built for tuners and shops who need precision-matched components straight from Garrett.
Specifications
- Compressor Wheel Inducer: 58mm
- Compressor Wheel Exducer: 71mm
- 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: 0.83 O/V
- Turbine Housing Inlet: 3 Inch O.D. V-Band
- Turbine Housing Outlet: 3.55 inch (90mm) O.D. w/81mm centering ring V-Band
- Rotation: Reverse Rotation
- HP Capacity: Up to 770 hp
- Garrett P/N: 880698-5008S
Performance & Application
The G30-770 is built to support up to 770 horsepower, making it well suited for high-performance builds that require both quick spool characteristics and the ability to hold power at the top end. Its reverse rotation design and V-band inlet and outlet on the turbine housing give builders greater flexibility when routing plumbing and integrating the turbo into tight or custom engine bay layouts. The 4 inch compressor inlet and 2 inch outlet housing configuration is tailored for applications prioritizing strong airflow through the compressor side. This turbo is intended for enthusiasts and shops building serious, high-output performance platforms rather than stock replacement applications.
What’s Included
- Oil Feed (1mm) Restrictor Fitting to -4AN
- Two Coolant Fittings to -6AN
- Turbine Housing Inlet & Outlet V-Band Clamps
Frequently Asked Questions
- What HP can the Garrett G30-770 support?
- The G30-770 supports up to 770 horsepower.
- Is this turbocharger reverse rotation?
- Yes, this is a Garrett G30-770 reverse




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