Garrett G30-725 GEN II

The G-Series II is the latest generation of Garrett Performance Turbochargers / G30-725 Gen II

Power Range: Up to 725 HP
Displacement: 2.0 to 3.5 liters

A true evolution of the G-Series Gen I

With the G-Series II, Garrett introduces the next step in its universal performance turbocharger platform. The G30-725 Gen II builds on the proven Gen I architecture, delivering increased airflow and improved efficiency while retaining full compatibility with existing G-Series housings.

Designed as a direct upgrade, the G30-725 Gen II is available as a complete turbocharger, SuperCore, or CHRA, allowing flexible upgrade paths for both new builds and existing G-Series installations.

Let’s stick to the facts:

New Gen II compressor aerodynamics delivering increased power and performance

Up to 10% higher airflow compared to G-Series Gen I at maximum pressure ratio and turbo speed

Increased efficiency at high flow rates

Uses Gen I compressor and turbine housings for full compatibility

Direct upgrade solution for Gen I customers as complete turbocharger, SuperCore or CHRA

High-flow compressor housing with preparation for optional turbo speed sensor

Mar-M turbine wheel capable of withstanding exhaust gas temperatures up to 1050°C, with increased flow capacity

Stainless steel turbine housing rated up to 1050°C

V-Band turbine inlet and outlet

V-Band CHRA allowing full rotational flexibility

Dual ceramic ball bearings

Four water connection ports for flexible cooling routing

Double piston ring sealing on both sides

Available in standard and reverse rotation configurations

Compressor Side

Inlet: 54.00 mm
Outlet: 67.00 mm
Trim: 65
A/R Ratio: 0.70

Turbine Side

Inlet: 60.00 mm
Outlet: 55.00 mm
Trim: 84

Rotation

Standard clockwise rotation
Reverse rotation available