What is Ni-Resist and why is it used in this turbine housing?

Ni-Resist is a nickel-based cast iron alloy known for its exceptional resistance to high temperatures and thermal shock. This makes it ideal for turbine housings, which experience extreme heat from exhaust gases, helping to prevent cracking and ensure long-term durability.

What does the 0.82 A/R ratio mean for performance?

The A/R ratio (Area/Radius) affects how exhaust gases flow through the turbine housing. A 0.82 A/R generally offers a good balance, promoting quicker turbocharger spool-up at lower engine speeds while still allowing for strong power output at higher RPMs.

What is the advantage of a V-band outlet on this housing?

A V-band outlet uses a clamp system to secure the downpipe connection, which simplifies installation and allows for easier rotation (clocking) of the turbine housing. This can be very helpful for fitting the turbocharger into tight engine bays and connecting the exhaust system.

Garrett GT30R Turbine Housing 0.82 A/R T3 V-Band 740902-0008

Name: Garrett GT30R Turbine Housing Kit O/V T3 / V-Band 0.82 A/R (Ni-Resist)
Brand: Garrett
SKU: garrett-garrett-gt30r-turbine-housing-kit-o-v-t3-v-band-0-82-a-r-ni-resist-t14-22787
Price: 505.46 USD
Availability: BackOrder

Garrett GT30R Turbine Housing Kit O/V T3 / V-Band 0.82 A/R (Ni-Resist)

$505.46

On Backorder — Expected to ship by May 31, 2026

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

Garrett GT30R Turbine Housing Kit O/V T3 / V-Band 0.82 A/R (Ni-Resist)grt740902-0008

Key Features

Fits Garrett GT30R turbochargers.
Constructed from durable Ni-Resist cast iron for high-temperature resistance.
Features a 0.82 A/R ratio for balanced exhaust flow and performance.
Includes both a T3 exhaust manifold flange and a V-band outlet.
Designed for custom turbocharger applications and performance tuning.

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Product Details

The Ni-Resist cast iron construction of this Garrett GT30R turbine housing is key to its performance and durability. Ni-Resist is a nickel-based alloy that offers excellent resistance to high temperatures and thermal shock, which is crucial for managing the extreme conditions inside a turbocharger. This specific housing features a 0.82 A/R (Area/Radius) ratio, which balances exhaust gas flow for improved spool-up at lower RPMs while still supporting strong top-end power delivery. It's designed with both a T3 exhaust manifold flange and a V-band outlet, offering flexibility for various custom turbocharger setups.

This kit is built for those looking to fine-tune their forced induction system. The 0.82 A/R is a popular choice for a wide range of applications, providing a good compromise between quick throttle response and sustained boost pressure. The V-band outlet simplifies installation and allows for easier clocking of the housing to clear engine bay components. Garrett is a well-known name in turbocharging, and this housing is a solid option for anyone building or upgrading a performance engine where precise control over exhaust gas energy is important.

When installing this turbine housing, ensure you have the appropriate V-band clamp and gasket for the outlet. Proper sealing is essential to prevent exhaust leaks, which can significantly impact turbocharger efficiency and performance. This part is not CARB approved and cannot be shipped to California.