SKU: 851154-5002S
Brand: Garrett

The Garrett GTX3071R Gen II Supercore turbocharger is designed for serious motorsport builds requiring fast response, efficiency, and higher flow capacity. As part of the GTX Gen II line, it maintains the proven GT-series foundation while upgrading to newer aerodynamics and performance enhancements, including a forged, fully-machined compressor wheel and high-efficiency ceramic dual ball bearings.

Ideal for engines between 1.8L and 3.0L, this Supercore supports power levels from 340 to 650 HP when tuned properly and configured with suitable supporting mods.

Key Features

• Gen II compressor aerodynamics for greater flow and horsepower capability

• 54mm forged fully-machined compressor wheel inducer

• High-efficiency ceramic ball bearing cartridge for improved response

• Integrated speed sensor port for overspeed protection (sensor sold separately)

• Oil and water-cooled housing with external wastegate support

• Not CARB Legal

Turbocharger Specifications

Compressor Wheel:

• Inducer Diameter: 54mm

• Exducer Diameter: 71mm

• Material: Forged, Fully Machined

• A/R Ratio: 0.60

Turbine Wheel:

• Inducer Diameter: 60mm

• Exducer Diameter: 55mm

• Trim: 84

• Material: Inconel

General Configuration:

• Product Line: GTX Gen II

• Frame Size: 30

• Rotation: Standard

• Cooling Type: Oil & Water

• Bearing Type: Ceramic Dual Ball Bearing

• Wastegate: External

Engine Compatibility

• Displacement Range: 1.8L – 3.0L

• Horsepower Range: 340 – 650 HP (dependent on tuning and modifications)

Note: Maximum allowable turbo speed is 140,000 RPM. Operating above this speed can cause damage or early failure. Use of a shaft speed sensor is recommended for optimal performance and protection.

Included

• GTX3071R Gen II Supercore Assembly (no turbine housing included)

Important Notice

This turbocharger is designed exclusively for racing vehicles operated on closed courses. Not legal for use on public roads. Installation is at the user’s risk and may impact emissions compliance, warranty, or safety certifications. Always consult your vehicle manufacturer and adhere to local laws and racing rules before use.