The Garrett G30-770 standard rotation turbocharger is built for enthusiasts and builders who demand serious top-end power without sacrificing a broad, usable powerband. Featuring a ball bearing center section and a versatile T3 undivided turbine housing, this unit is engineered for universal high-performance applications where reliability and output are non-negotiable. This is the turbo of choice for builds targeting big horsepower numbers on a proven, race-ready platform.

Specifications

• Compressor Wheel Inducer: 58mm
• Compressor Wheel Exducer: 71mm
• Compressor Wheel Trim: 65
• Compressor Housing A/R: 0.72
• Compressor Inlet: 4″
• Compressor Outlet: 2″
• Turbine Wheel Inducer: 60mm
• Turbine Wheel Exducer: 55mm
• Turbine Wheel Trim: 84
• Turbine Housing A/R: 0.82
• Turbine Housing Configuration: T3 Undivided (Open)
• Turbine Housing Outlet Flange: T31 (Narrow) 4 Bolt
• Bearing System: Ball Bearing
• Rotation: Standard Rotation
• HP Capacity: Up to 770 HP
• Garrett P/N: G30-770

Performance & Application

Designed for universal high-performance applications, the G30-770 delivers strong response paired with a capacity to support serious horsepower goals. Its ball bearing center section provides quicker spool and sharper throttle response compared to traditional journal bearing designs, while the T3 undivided turbine housing and narrow T31 4-bolt outlet flange offer flexible exhaust housing options for a wide range of builds. This configuration suits enthusiasts building high-output setups who need a turbocharger capable of scaling with aggressive power targets. Whether used in track-focused builds or high-horsepower street applications, the G30-770 is built to perform at the top of its class.

Frequently Asked Questions

What HP can the Garrett G30-770 support?

The Garrett G30-770 delivers up to 770 HP.

Is the G30-770 a ball bearing or journal bearing turbo?

The G30-770 features a ball bearing center section.

What are the A/R ratios on the G30-770?

The compressor housing A/R is 0.72, and the turbine housing A/R is 0.82.

What turbine housing configuration does the