The Garrett Supercore G-Series II G40-1000 delivers the next evolution of the legendary G-Series platform, built for performance enthusiasts who demand more flow and efficiency without sacrificing the proven durability that made the original G-Series a benchmark in the industry. Designed as a direct upgrade path for existing Gen I G40 owners, this Supercore lets you step up to new compressor aero technology while retaining compatibility with your current housings. It’s the ideal choice for builders seeking a serious power increase backed by Garrett engineering.

Specifications

• Model: G-Series II G40-1000
• Garrett P/N: 938272-5001S
• Compressor Flow Improvement: Up to 10% higher compressor flow compared to G-Series Gen I at peak pressure ratio and peak turbo RPM
• Housing Compatibility: G-Series II utilizes Gen I compressor and turbine housings
• Rotation Configurations: Standard and reverse rotation available
• Turbine Wheel Material: Mar-M alloy, rated up to 1050° C
• Turbine Housing Material: Stainless steel, rated up to 1050° C
• Calibration Requirement: Calibration required to take advantage of increased flow for a horsepower upgrade
• Speed Sensor Kit: ATP-ACS-032

Performance & Application

The G-Series II G40-1000 Supercore is engineered for Gen I G40 customers looking to unlock additional performance from their existing turbo system. With new compressor aero technology, this Supercore provides increased efficiency at high flow rates, translating to more usable power for serious builds. It is available as a complete turbo unit, a Supercore, or as a standalone CHRA purchase, giving builders flexibility depending on their existing hardware and upgrade path. Properly calibrated, this upgrade path

Downloads

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