What does the 1.28 A/R ratio mean for performance?

The A/R ratio (Area/Radius) on a turbine housing influences turbocharger response. A 1.28 A/R generally means the housing is larger, which can help the turbocharger flow more air at higher engine speeds, potentially leading to more top-end power. It might also mean slightly slower initial spool-up compared to a smaller A/R.

What are the benefits of V-Band connections?

V-Band connections provide a strong, reliable, and leak-free seal between the turbine housing and the exhaust downpipe. They also make installation and removal simpler and quicker compared to traditional bolted flanges, and they can help absorb some vibration.

What is required for installation?

For installation, you will need the appropriate V-Band clamp to secure the housing to the downpipe, ensuring a tight seal. It's also recommended to consult the manufacturer's installation guide for any specific torque recommendations or procedures related to your turbocharger setup.

Garrett G45 Turbine Housing 1.28 A/R V-Band

Name: Garrett G45 Turbine Housing Kit O/V V-Band / V-Band 1.28 A/R - Standard Rotation
Brand: Garrett
SKU: garrett-garrett-g45-turbine-housing-kit-o-v-v-band-v-band-1-28-a-r-standard-rota-t14-488356
Price: 1139.59 USD
Availability: InStock

Garrett G45 Turbine Housing Kit O/V V-Band / V-Band 1.28 A/R - Standard Rotation

$1139.59

Only 1 left in stock

Garrett G45 Turbine Housing Kit O/V V-Band / V-Band 1.28 A/R - Standard Rotation.

Key Features

Fits Garrett G45 turbochargers.
Features a 1.28 A/R ratio for optimized high-RPM performance.
Includes V-Band inlet and outlet connections for a secure, leak-free seal.
Standard rotation design.
Constructed from durable materials to withstand high temperatures and pressures.
Not CARB approved; cannot ship to California.

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Product Details

This is the Garrett G45 Turbine Housing Kit, designed for standard rotation with a V-Band inlet and outlet. It features a 1.28 A/R (Area/Radius) ratio, which is a key factor in determining how the turbocharger responds and performs at different engine speeds. A larger A/R like this one generally helps the turbo spool up later but allows it to breathe more freely at higher RPMs, making it suitable for applications where top-end power is a priority.

Garrett is well-known in the performance world for their turbocharger components, and this housing is built to their standards. The V-Band connections offer a strong, secure, and leak-free seal compared to traditional flanged connections, and they also simplify installation and removal. This housing is constructed from durable materials designed to withstand the extreme temperatures and pressures found in a turbo system. The 1.28 A/R is a specific choice for tuners and builders looking to optimize their engine's performance curve, often paired with specific compressor wheels and engine builds to achieve a desired power output. It's important to note that this part is not CARB approved and cannot be shipped to California.

When installing this turbine housing, ensure you have the appropriate V-Band clamp and gasket for a proper seal. Proper fitment and sealing are crucial for turbocharger efficiency and longevity. This housing is intended for custom turbo builds or as a replacement part for existing Garrett G45 turbocharger setups where this specific A/R ratio is desired for performance tuning.