The Garrett CHRA – G-Series II G40-1000 delivers the next evolution of Garrett’s proven G-Series platform to enthusiasts and builders who demand more from their existing turbo investment. Designed as a direct upgrade path for current Gen I G-Series owners, this CHRA lets you step into next-generation compressor aero technology without replacing your entire turbo system. It’s the choice for builders who want more flow and efficiency while retaining compatibility with familiar Gen I hardware.

Specifications

• Compressor Technology: New compressor aero technology for increased power and performance
• Housing Compatibility: Utilizes Gen I compressor and turbine housings
• Compressor Flow Increase: Up to 10% higher compressor flow compared to G-Series Gen I at peak pressure ratio and peak turbo RPM
• Efficiency: Increased efficiency at high flow rates
• Rotation Configurations: Standard and reverse rotation configurations available
• Turbine Wheel Material: Mar-M alloy, rated up to 1050° C
• Turbine Housing Material: Stainless steel, rated up to 1050° C
• Compatible Speed Sensor Kit: ATP-ACS-032
• Garrett P/N: 938271-5001S

Performance & Application

The G-Series II G40-1000 CHRA is built for existing Gen I G-Series users looking to unlock additional flow and performance from their current housing setup. With up to 10% higher compressor flow at peak pressure ratio and peak turbo RPM compared to Gen I, this CHRA is intended for builds where a horsepower upgrade is desired and proper calibration will be performed to take advantage of the increased flow. The Mar-M alloy turbine wheel and stainless steel turbine housing rating support demanding, high-temperature operating conditions. Available in both standard and reverse rotation configurations, it accommodates a range of installation orientations.

Frequently Asked Questions

Can I upgrade from a Gen I G-Series turbo to G-Series II?

Yes, this CHRA offers a direct upgrade path for Gen I customers

Downloads

• Garrett-G-Series-II-Product Flyer G40 42 45