Turbocharger, Garrett G30-660, REVERSE ROTATION, 1.21 A/R O/V, V-Band In/Out, P/N 880698-5004S

The Garrett G30-660 reverse rotation turbocharger is built for serious builders who need a compact, high-response turbo capable of serious power without sacrificing packaging flexibility. Its reverse rotation design and dual v-band turbine housing make it ideal for engine bays and exhaust routing where a mirrored compressor/turbine orientation solves fitment challenges other turbos can’t. This is the turbo of choice for enthusiasts building a high-horsepower platform who need Garrett-grade reliability with a housing configuration engineered for real-world installs.

Specifications

• Rotation: Reverse Rotation
• Compressor Wheel Inducer: 54mm
• Compressor Wheel Exducer: 67mm
• Compressor Wheel Trim: 65
• Compressor Housing A/R: 0.70
• Compressor Housing Inlet: 3 Inch
• Compressor Housing Outlet: 2 Inch
• Turbine Wheel Inducer: 60mm
• Turbine Wheel Exducer: 55mm
• Turbine Wheel Trim: 84
• Turbine Housing A/R: 1.21 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
• HP Capacity: 660+ HP
• Garrett P/N: 880698-5004S

Performance & Application

Built around Garrett’s G Series compressor and turbine technology, the G30-660 reverse rotation turbo is engineered to deliver strong response while supporting high-output power levels. The reverse rotation configuration paired with a dual v-band turbine housing offers builders greater freedom in exhaust and compressor orientation without giving up performance. This turbo is suited to enthusiasts and shops building serious power platforms where housing orientation and connection style are critical to a clean, functional install.

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 G30-660 reverse rotation turbo support?

The G30-660 supports up to 660+ HP.

Is the G30-660 a standard or reverse rotation turbocharger?

This is a reverse rotation turbocharger.

What is the A/R ratio on the G30-660 reverse rotation turbo?

The compressor housing A/R is 0.70, and the turbine housing A/R is 1.21 O/V.

What type of turbine housing connections does the G30-660 use?

The turbine housing uses v-band connections on both the inlet and outlet, with the inlet at 3 Inch O.D. V-Band and the outlet at 3.55 inch (90mm) O.D. with an 81mm centering ring V-Band.

For builders who demand Garrett engineering with a reverse rotation layout and dual v-band turbine housing, the G30-660 (P/N 880698-5004S) delivers the performance capacity and installation flexibility need