What does the 0.92 A/R ratio mean for performance?

The A/R ratio (Area/Radius) of a turbine housing affects how quickly the turbocharger spools up and the engine speed at which it operates most efficiently. A 0.92 A/R generally offers a good balance, allowing for relatively quick spool while still supporting high-flow needs at higher RPMs.

What are the advantages of V-band connections?

V-band connections use a clamp system to secure the housing, which makes installation and removal simpler and faster than traditional bolted flanges. They also create a very strong and leak-free seal, which is crucial for maintaining boost pressure and preventing exhaust leaks.

Can this turbine housing be used with any turbocharger?

This turbine housing is specifically designed to be compatible with Garrett G25 series turbochargers. While V-band connections offer flexibility, the internal geometry and A/R ratio are matched to the G25 turbine wheel for optimal performance. Always confirm compatibility with your specific turbocharger model.

Garrett G25 Turbine Housing 0.92 A/R 740902-0077

Name: Garrett G25 THWA O/V V-Band / V-Band 0.92 A/R
Brand: Garrett
SKU: garrett-garrett-g25-thwa-o-v-v-band-v-band-0-92-a-r-t14-211118
Price: 830.94 USD
Availability: BackOrder

Garrett G25 THWA O/V V-Band / V-Band 0.92 A/R

$830.94

On Backorder

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

Garrett G25 turbine housing with a 0.92 A/R ratio and V-Band connections.

Key Features

This is a Garrett G25 turbine housing.
It has a 0.92 A/R ratio for managing exhaust gas flow.
Features V-band connections for both the inlet and outlet.
Constructed from durable cast iron to handle high temperatures.
Designed to complement Garrett G25 series turbochargers.
Not CARB approved; cannot ship to California.

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Product Details

This Garrett G25 turbine housing features a 0.92 A/R ratio, which is a key factor in determining how quickly your turbocharger spools up and at what engine speed it reaches its peak efficiency. The V-band connections on both the inlet and outlet simplify installation and ensure a secure, leak-free seal compared to traditional flange setups. This housing is designed for performance applications where a balance between quick response and high-flow capability is desired.

Constructed from durable cast iron, this housing is built to withstand the extreme temperatures and pressures generated by a turbocharger. The specific A/R ratio of 0.92 is chosen to complement the G25 series turbochargers, offering improved exhaust gas flow management for engines tuned for significant power gains. Its V-band design not only makes assembly easier but also allows for easier rotation of the housing to align with your exhaust manifold and downpipe, which can be a real time-saver during custom builds.

When considering this turbine housing, remember that it is not CARB approved and cannot be shipped to California. It's essential to verify compatibility with your specific turbocharger model and engine build to ensure optimal performance and fitment. This component is a critical piece for anyone looking to fine-tune their forced induction system for a specific power band.