The Garrett GEN2 GTX3071R is a purpose-built ball bearing turbocharger for Nissan SR20DET enthusiasts who demand rapid spool without sacrificing top-end pull. Built around Garrett’s advanced GEN2 billet compressor wheel, this unit is engineered for serious top mount SR20 applications where response and reliability both matter. It’s the choice for builders who want a turbo that transitions seamlessly from street driveability to serious power output.

Specifications

• Compressor Wheel Inducer: 54mm
• Compressor Wheel Exducer: 71mm
• Compressor Wheel Trim: 58
• Compressor Housing A/R: 0.60
• Turbine Wheel Inducer: 60mm
• Turbine Wheel Exducer: 55mm
• Turbine Wheel Trim: 84
• Turbine Housing A/R: .63
• Bearing Type: Dual Ball Bearing
• Compressor Inlet: T3
• Compressor Outlet: 3″ GT V-Band Conical Outlet with 81mm Centering Ring
• HP Capacity: 650HP
• Turbine Housing P/N: ATP-HSG-044

Performance & Application

This GTX3071R is designed for Nissan SR20DET platforms running a top mount turbo configuration, giving builders a compressor and turbine combination tuned for quick response off idle. The GEN2 billet compressor wheel provides the durability and airflow needed to support serious power levels while maintaining the responsive character that top mount SR20 setups demand. The .63 A/R turbine housing balances spool characteristics with the top-end flow needed to reach the turbo’s full power potential. This combination makes it well suited for enthusiasts building a high-output SR20DET that still needs to be streetable.

Compatibility & Fitment

• Nissan SR20DET
• Nissan SR20DET GTX T3 Top Mount applications

Frequently Asked Questions

Is the GTX3071R a ball bearing or journal bearing turbo?

This GTX3071R is a dual ball bearing turbocharger.

What HP can the GTX3071R support?

The GEN2 GTX3071R is capable of supporting up to 650HP.

What is the A/R ratio of the turbine housing?

The turbine housing is a .63 A/R T3 housing, part number ATP-HSG-044.

What compressor inlet and outlet does this turbo use?

This turbo uses a T3 compressor inlet and a 3″ GT V-Band conical outlet with an 81mm centering ring.

For SR20DET builders seeking a dual ball bearing turbo engineered for both quick spool and serious top-end power, the GEN2 GTX3071R with its .63 A/R T3