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

The A/R ratio, in this case .80, refers to the area and radius of the turbine housing's volute. A higher A/R like .80 generally helps improve top-end power by allowing exhaust gases to flow more freely at higher RPMs, while still offering reasonable responsiveness.

What is the benefit of a water-cooled turbine housing?

Water cooling helps dissipate heat from the turbine housing more effectively than air cooling alone. This can lead to a longer turbocharger lifespan and more consistent boost control, especially during prolonged periods of high engine load.

TiALSport

Specifications

Brand: TiALSport
Part #: 006526

TiALSport

TiAL Sport GT28 .80 A/R Water Cooled IWG Stainless Steel Turbine Housing

$806.89

Key Features

Fits TiAL Sport GT28 turbochargers.
Features a .80 A/R turbine housing ratio for a balance of responsiveness and top-end power.
Includes an internal wastegate (IWG) for boost pressure regulation.
Water-cooled design helps manage heat for improved durability and consistent performance.
Constructed from stainless steel for strength and resistance to high temperatures.
Part number 006526.

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Product Details

TiAL Sport is well-known for making high-performance turbocharger components, and this GT28 turbine housing is a prime example of their work. This housing is built for the GT28 series of turbochargers and features a .80 A/R ratio, which is a good balance for responsiveness and top-end power on many setups. The internal wastegate (IWG) is designed to help regulate boost pressure effectively, keeping it within your desired range.

Constructed from durable stainless steel, this turbine housing is built to withstand the high temperatures and pressures found in forced induction systems. The water-cooled design helps manage heat, which can extend the life of the turbocharger and maintain consistent performance. This housing is designed to fit right with compatible GT28 turbos, making it a solid option for those looking to build or upgrade their turbo system. It's important to note that this part is not CARB approved and cannot be shipped to California.