Garrett G25-585 Reverse Rotation G-Series II CHRA

This is the Garrett G25-585 Reverse Rotation G-Series II CHRA, a central rotating assembly designed for high-performance turbocharger applications. It's built for enthusiasts looking to build or upgrade a custom turbo system where precise control and robust airflow are critical. The G-Series II line represents Garrett's latest advancements in turbocharger technology, focusing on improved efficiency and durability for demanding builds.

The G25-585 features a 58mm compressor wheel and a 50mm turbine wheel, offering a good balance for engines typically in the 400-600 horsepower range, depending on the specific application and supporting modifications. Its reverse rotation design is crucial for twin-turbo setups, allowing for optimal plumbing and exhaust manifold configurations. The CHRA (Center Housing Rotating Assembly) includes the turbine and compressor wheels, shaft, bearings, and the housings that contain them, making it the core of the turbocharger. This unit utilizes advanced aerodynamics and materials to ensure consistent performance and longevity under high boost pressures and temperatures. The journal bearing system is designed for durability and quick spool response, a hallmark of Garrett's G-Series turbos.

When installing a CHRA like this, it's essential to ensure your oil feed and drain lines are clean and properly routed to prevent premature wear. Proper oil flow and filtration are critical for the longevity of the journal bearings. This component is intended for custom builds, so ensure you have the necessary supporting modifications, including fuel system upgrades, engine management tuning, and appropriate exhaust and intake plumbing, to achieve optimal performance and reliability. Consult with a professional tuner or engine builder to confirm this turbocharger is the right fit for your specific engine and power goals.