What is the benefit of a V-band inlet and outlet?

V-band connections use a clamp to secure the housing, which can make installation and removal simpler compared to bolted flanges. They also tend to create a very strong and leak-resistant seal under high pressure and temperature.

What does the 1.24 A/R ratio mean for performance?

The A/R ratio (Area divided by Radius) of a turbine housing affects how quickly the turbocharger spools up and how much top-end power it can produce. A 1.24 A/R is generally considered a mid-to-large housing, favoring higher power output at the expense of slightly slower initial boost response compared to smaller A/R ratios.

Why is this housing not SFI approved?

SFI certification is a safety standard often required for racing applications to ensure components can withstand extreme conditions. This housing is not SFI approved, meaning it does not meet those specific safety requirements and should not be used in racing classes that mandate it.

Specifications

Brand: Garrett
Part #: 761208-0064

Garrett GTX55 Turbine Housing V-Band In/Out 1.24 A/R - Short Outlet / Non-SFI (SS)

Name: Garrett GTX55 Turbine Housing V-Band In/Out 1.24 A/R - Short Outlet / Non-SFI (SS)
Brand: Garrett
SKU: garrett-garrett-gtx55-turbine-housing-v-band-in-out-1-24-a-r-short-outlet-non-sf-t14-377146
Price: 1211.12 USD
Availability: BackOrder

$1211.12

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Key Features

Fits Garrett GTX55 series turbochargers.
Constructed from durable stainless steel for high-temperature resistance.
Features a V-band inlet and outlet for secure and easy connection.
Has a 1.24 A/R ratio, balancing top-end power with spool characteristics.
Includes a short outlet design for compact plumbing.
Not SFI approved, intended for applications where this certification is not required.

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About this part

Product Details

This Garrett GTX55 turbine housing is built from stainless steel, offering solid resistance to high exhaust gas temperatures and corrosion. It features a V-band inlet and outlet, making for a clean and secure connection point that's easier to work with than traditional flange setups. The 1.24 A/R ratio is chosen for its balance, aiming to provide strong top-end power while still allowing for reasonable spool characteristics on many performance applications.

The short outlet design is often selected to help tuck the exhaust system closer to the chassis or to simplify plumbing in tight engine bays. This housing is specifically designed for the GTX55 series turbochargers, ensuring proper fitment and airflow characteristics for that particular turbo model. It's important to note that this housing is not SFI approved, meaning it's not intended for applications where that specific safety certification is required, such as certain racing classes. Also, it is not CARB approved and cannot be shipped to California.

When building a high-performance forced induction system, the turbine housing plays a critical role in dictating how your turbocharger performs. This Garrett housing is a well-built component that, when matched correctly with your turbocharger and engine combination, can contribute significantly to achieving your power goals. Ensure you have the appropriate V-band clamp and mating flange for installation.