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Garrett

Garrett G25-660

Garrett G25-660

Regular price £1,292.87 GBP
Regular price Sale price £1,292.87 GBP
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The G-Series is the latest generation of Garrett Performance Turbochargers / G25-660

Power Range: Up to 660 HP
Displacement: 1.4 to 3.0 liters

A true evolution beyond the GTX series

With the G-Series, Garrett introduces a new generation of high-performance turbochargers delivering significantly increased airflow, improved efficiency and higher thermal resistance compared to previous GTX generations.

Positioned alongside top-tier performance turbochargers such as the BorgWarner EFR range, the G25-660 is engineered for high-output road and motorsport applications, combining advanced aerodynamics with proven materials and compact packaging.

Let’s stick to the facts:

Latest-generation forged and precision-machined compressor wheel

Up to 15% more airflow compared to GTX Gen II on 60 mm compressors

Up to 30% more airflow on 67 mm compressor wheels

High-flow, aero-optimised compressor housing

Preparation for optional turbo speed sensor

Mar-M turbine wheel with increased exhaust flow capability, resistant up to 1050°C

Stainless steel turbine housing, resistant up to 1050°C

Dual ceramic ball bearing CHRA for fast spool and reduced friction

Four water connection options for flexible installation

Dual piston ring seals on both sides

V-Band turbine inlet and outlet

Available in standard and reverse rotation

Internal or external wastegate options depending on turbine housing

Compressor Side

Inlet: 54.00 mm
Outlet: 67.00 mm
Trim: 65

Turbine Side

Inlet: 54.00 mm
Outlet: 49.00 mm
Trim: 84
A/R Ratio: 0.49 · 0.72 · 0.92
Wastegate: Internal or External

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