What is the A/R ratio and why does it matter?

The A/R ratio, or Area/Radius, describes the size of the turbine housing's internal passages. A larger A/R like 1.15 generally helps reduce exhaust backpressure at higher engine speeds, allowing the turbo to sustain boost more effectively in the upper RPM range for improved top-end power.

What does 'O/V V-Band / V-Band' mean for installation?

This means the housing uses V-band clamps for both the exhaust inlet and the turbine outlet. This type of connection creates a strong, leak-free seal and often simplifies the installation and removal process compared to traditional bolted flanges.

What is the significance of 'Standard Rotation'?

Standard rotation refers to the orientation of the turbine housing relative to the compressor housing and the direction the turbine wheel spins. This designation is crucial for ensuring correct assembly and alignment within your turbocharger and engine bay.

Garrett G45 Turbine Housing 1.15 A/R V-Band

Name: Garrett G45 Turbine Housing Kit O/V V-Band / V-Band 1.15 A/R - Standard Rotation
Brand: Garrett
SKU: garrett-garrett-g45-turbine-housing-kit-o-v-v-band-v-band-1-15-a-r-standard-rota-t14-488355
Price: 1114.82 USD
Availability: InStock

Garrett G45 Turbine Housing Kit O/V V-Band / V-Band 1.15 A/R - Standard Rotation

$1114.82

Only 7 left in stock

Garrett G45 Turbine Housing Kit O/V V-Band / V-Band 1.15 A/R - Standard Rotation.

Key Features

This is a Garrett G45 Turbine Housing Kit.
It features an O/V (Open/V-band) design.
Both the inlet and outlet use V-band connections for a secure seal.
The A/R ratio is 1.15, which is suitable for high-RPM power.
It is designed for standard rotation turbochargers.
This part is not CARB approved and cannot ship to California.

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Product Details

Garrett is well-known for their high-performance turbochargers and components, and this G45 Turbine Housing Kit is a prime example of their commitment to forced induction technology. This specific housing is designed for the G45 series turbochargers, offering a 1.15 A/R ratio for improved exhaust flow and spool characteristics. The O/V (Open/V-band) design with V-band connections on both the inlet and outlet makes for a robust and leak-free seal, simplifying installation and maintenance compared to traditional flanged setups.

The 1.15 A/R (Area/Radius) ratio is a key spec that dictates how efficiently exhaust gases flow into the turbine wheel. A larger A/R like this one generally helps to reduce backpressure at higher engine speeds, allowing the turbo to breathe more freely and sustain boost levels in the upper RPM range. This makes it a good choice for builds looking to maximize top-end power. The standard rotation orientation is important for proper turbocharger assembly and alignment within the engine bay.

This kit includes the turbine housing itself, ready to be paired with your G45 turbocharger assembly. When considering this housing, remember that it is not CARB approved and cannot be shipped to California. Always refer to the manufacturer's installation instructions for proper fitment and assembly procedures with your specific turbocharger and exhaust manifold setup.