What is the A/R ratio of the turbine housing, and why does it matter?

The A/R ratio of the turbine housing is 0.82. This ratio affects how quickly the turbocharger spools up and how much airflow it can handle at higher RPMs. A lower A/R generally leads to quicker spool, while a higher A/R allows for more top-end power.

Does this turbocharger include an internal wastegate?

No, this Garrett GTX3582R Gen II turbocharger assembly does not include an internal wastegate. It is designed to be used with an external wastegate setup, which offers more precise boost control for high-performance applications.

What kind of supporting modifications are typically needed for this turbo?

For a turbocharger like this, you'll generally need to upgrade your fuel system to deliver adequate fuel, an intercooler to manage intake air temperatures, and a comprehensive engine management system for tuning boost and fuel delivery. Professional tuning is highly recommended.

Specifications

Brand: Garrett
Part #: 856801-5071S

Garrett GTX3582R Gen II Turbo Assembly Kit T4 / V-Band 0.82 A/R

Name: Garrett GTX3582R Gen II Turbo Assembly Kit T4 / V-Band 0.82 A/R
Brand: Garrett
SKU: garrett-garrett-gtx3582r-gen-ii-turbo-assembly-kit-t4-v-band-0-82-a-r-t14-50715G
Price: 2433.89 USD
Availability: InStock

$2433.89

Only 6 left in stock

Garrett GTX3582R Gen II Turbo Assembly Kit T4/V-Band 0.82 A/R. This turbo is built for serious power gains in custom builds.

Key Features

This is the Garrett GTX3582R Gen II Turbo Assembly Kit.
Features a T4 inlet flange and V-band outlet.
The A/R ratio for the turbine housing is 0.82.
Includes a forged-drive billet compressor wheel for improved durability and response.
Designed for custom high-performance engine builds.
Not CARB approved and cannot be shipped to California.

This turbocharger is designed for custom performance applications and does not have specific vehicle fitment. Always consult with a professional to ensure compatibility with your engine and build.

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About this part

Product Details

If you're building a high-performance engine and looking to significantly increase horsepower, a robust turbocharger is key. The Garrett GTX3582R Gen II is a popular choice for enthusiasts aiming for substantial power gains, offering a blend of advanced technology and proven performance. This turbocharger is designed to handle demanding applications where airflow and boost control are critical for achieving maximum output from your engine.

This Gen II version of the GTX3582R features an updated aerodynamic design for improved airflow and efficiency compared to previous generations. It utilizes a forged-drive billet compressor wheel, which is lighter and stronger than cast aluminum, allowing for faster spool-up and better durability under high boost pressures. The turbine housing is a T4 flanged, V-band outlet assembly with a 0.82 A/R ratio, carefully selected to balance quick response with high-end flow for a wide powerband. The internal wastegate is not included, giving you full control over boost management with an external wastegate setup. This turbo is built for custom applications where precise tuning and maximum performance are the primary goals.

When installing a turbocharger like the GTX3582R Gen II, it's important to ensure your engine's supporting systems are up to the task. This includes a properly sized fuel system, an efficient intercooler, and a robust engine management system to control boost and fuel delivery. Because this is a performance turbocharger, it is not CARB approved and cannot be shipped to California. Always consult with a professional tuner and mechanic to ensure proper installation and calibration for your specific vehicle and build.