Garrett Supercore – G-Series II G25-700, P/N: 934075-5002S

The Garrett Supercore G-Series II G25-700 is built for enthusiasts and tuners looking to upgrade an existing G25 platform without the cost of a full turbo replacement. Engineered with new compressor aero technology, this Supercore delivers a direct upgrade path for Gen I G25 owners who want more performance from proven Garrett architecture. It’s the ideal choice for builders who already have Gen I compressor and turbine housings and want to unlock additional flow and efficiency from their current setup.

Specifications

• Turbine Wheel Material: Mar-M alloy
• Turbine Wheel Temperature Rating: Up to 1050°C
• Turbine Housing Material: Stainless steel
• Turbine Housing Temperature Rating: Up to 1050°C
• Rotation Configurations: Standard and reverse rotation available
• Compressor Flow Improvement: Up to 10% higher compressor flow compared to G-Series Gen I at peak pressure ratio and peak turbo RPM
• Inlet V-Band Flange (For Turbo Manifold): ATP-FLS-350
• Outlet V-Band Flange (For Down-pipe): ATP-FLS-351
• Oil Drain Flange: ATP-FLA-010
• Oil Drain Gasket: GRT-GSK-008
• Oil Drain Fasteners: MIA-FST-034
• Boost Pressure Port Fitting: ATP-FTG-198
• Speed Sensor Kit: ATP-ACS-032
• Garrett P/N: 934075-5002S

Performance & Application

This Supercore is designed as a bolt-in upgrade for existing Garrett G-Series Gen I compressor and turbine housings, giving builders a straightforward path to increased performance without replacing an entire turbo system. The new compressor aero technology increases flow and efficiency at high flow rates, translating to a meaningful horsepower upgrade when paired with proper calibration. Both standard and reverse rotation configurations are available, giving installers flexibility depending on engine bay layout and turbo mounting orientation. This unit is purpose-built for those already invested in the G25 platform who want to extract more capability from their current housing setup.

Frequently Asked Questions

What temperature is the Mar-M alloy turbine wheel rated for?

The Mar-M alloy turbine wheel is rated up to 1050°C.

What temperature is the stainless steel turbine housing rated for?

The stainless steel turbine housing is rated up to 1050°C.

Do I need to do anything to see the power increase from this

Downloads

• Garrett-G-Series-II-Product Flyer