The Garrett G30-770 reverse rotation turbocharger is engineered for enthusiasts and builders demanding serious top-end power without sacrificing the ball bearing responsiveness Garrett’s G Series is known for. With reverse rotation and v-band connections on both the compressor and turbine sides, this unit is built for custom high-performance applications where packaging and plumbing flexibility matter. It’s the choice for builders who want a plug-and-play turbo core without compromising on flow capacity or build quality.

Specifications

• Compressor Wheel Inducer: 58mm
• Compressor Wheel Exducer: 71mm
• Compressor Wheel Trim: 65
• Compressor Housing A/R: 0.72
• Turbine Wheel Inducer: 60mm
• Turbine Wheel Exducer: 55mm
• Turbine Wheel Trim: 84
• Turbine Housing A/R: 0.61 A/R 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
• Bearing Type: Ball Bearing
• Rotation: Reverse Rotation
• Garrett P/N: 880698-5007S

Performance & Application

The G30-770’s compressor and turbine wheel geometry, combined with its ball bearing design, delivers the quick spool and strong top-end power characteristic of Garrett’s G Series lineup. Its reverse rotation configuration and v-band in/out design make it ideal for custom turbo system layouts where housing orientation and packaging flexibility are critical. This turbo suits builders targeting aggressive high-horsepower builds who require precise control over compressor and turbine housing selection.

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

Is the Garrett G30-770 a ball bearing turbo?

Yes, the G30-770 features a ball bearing design for enhanced responsiveness.

What is the A/R ratio of the G30-770 turbine housing?

The turbine housing uses a 0.61 A/R O/V configuration.

What connections does the G30-770 use for the turbine housing?

The turbine housing uses v-band connections on both the inlet and outlet.

What fittings are included with the G30-770?

The turbo includes an oil feed (1mm) restrictor fitting to -4AN, two coolant fittings to -6AN, and turbine housing inlet & outlet v-band clamps.

For builders who demand precise reverse rotation packaging and v-band simplicity without compromising on Garrett’s proven G Series performance, the G30-770 delivers exactly that.