What is Ni-Resist cast iron and why is it used here?

Ni-Resist is a type of cast iron alloy that contains nickel. It's used in this turbine housing because it offers excellent resistance to high temperatures, thermal shock, and corrosion from exhaust gases, which helps the housing last longer in demanding performance applications.

What does the .83 A/R ratio mean for my turbo?

The A/R ratio, or Area/Radius, affects how the turbo performs across the RPM range. A .83 A/R generally helps the turbocharger spool up faster, providing quicker throttle response, and is suited for applications where rapid boost delivery is desired.

What are V-band connections and what are their benefits?

V-band connections use a clamp and a grooved flange to create a seal. They offer a strong, leak-free connection that is often easier to install and remove than traditional bolted flanges, making maintenance and assembly more straightforward.

Specifications

Brand: Garrett
Part #: 740902-0054

Garrett GTX3071R Gen II Reverse Turbine Housing Kit O/V V-Band / V-Band .83 A/R (Ni-Resist)

Name: Garrett GTX3071R Gen II Reverse Turbine Housing Kit O/V V-Band / V-Band .83 A/R (Ni-Resist)
Brand: Garrett
SKU: garrett-garrett-gtx3071r-gen-ii-reverse-turbine-housing-kit-o-v-v-band-v-band-83-t14-119941
Price: 526.21 USD
Availability: BackOrder

$526.21

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

Key Features

Fits Garrett GTX3071R Gen II turbochargers.
Reverse turbine housing configuration.
Constructed from durable Ni-Resist cast iron for high heat resistance.
Features a .83 A/R ratio for improved turbo spool characteristics.
Includes V-band inlet and outlet connections for a secure seal.
Not CARB approved; cannot ship to California.

This is a replacement turbine housing for the Garrett GTX3071R Gen II turbocharger. Check manufacturer specifications to ensure compatibility with your specific turbocharger assembly.

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About this part

Product Details

The Ni-Resist cast iron construction of this Garrett GTX3071R Gen II reverse turbine housing is key to its performance and durability under high heat. This housing is specifically designed for the GTX3071R Gen II turbocharger, featuring a reverse rotation setup that can be beneficial for certain twin-turbo or compact engine bay applications. The .83 A/R (Area/Radius) ratio is a crucial spec, influencing how quickly the turbo spools up and where its peak efficiency lies in the RPM range. A lower A/R like this generally promotes faster spooling, making it suitable for applications where quick throttle response is a priority.

This kit includes the reverse turbine housing, designed to work with V-band inlet and outlet connections. This type of connection offers a secure and leak-free seal, simplifying installation and maintenance compared to traditional bolted flanges. The Ni-Resist material is a type of cast iron alloy known for its excellent resistance to thermal shock and corrosion, which is essential for components exposed to the extreme temperatures of exhaust gases. This material choice helps ensure the longevity of the housing, even in demanding performance builds.

When considering this housing, remember it's intended for performance applications and is not CARB approved, meaning it cannot be legally shipped to California. Ensure your build plans align with local emissions regulations. This housing is a direct replacement part for the Garrett GTX3071R Gen II turbocharger, and its specific A/R and connection type are critical factors for tuning and achieving desired engine performance characteristics.