GARRETT 827690-0004 GT28R THWA KIT O/V T25 / 5-BOLT 0.86 A/R (HI SIL)

Product Description

Upgrade Turbo Performance with the Garrett 827690-0004 GT28R Turbine Housing Kit T25 / 5-Bolt 0.86 A/R

The Garrett 827690-0004 GT28R Turbine Housing Kit is designed to optimize exhaust flow and turbocharger performance for GT28R applications. Featuring a T25 inlet flange and 5-bolt outlet configuration, this turbine housing is ideal for performance builds requiring improved exhaust efficiency and durability.

With a 0.86 A/R ratio, this housing provides a balanced combination of top-end power and efficient exhaust flow, making it suitable for applications targeting higher horsepower while maintaining drivability. The high-silicone (Hi-Sil) casting enhances heat resistance and durability under extreme operating conditions.

Whether you're replacing a worn turbine housing or upgrading your turbo setup, the Garrett 827690-0004 offers the quality, fitment, and performance expected from a genuine Garrett component.

Key Features:

• Genuine Garrett turbine housing kit
• Designed for GT28R turbocharger applications
• T25 inlet flange configuration
• 5-bolt turbine outlet flange
• 0.86 A/R ratio for improved high-RPM performance
• High-silicone casting for increased heat resistance
• Ideal for performance and custom turbo builds

FAQ

What does the 0.86 A/R mean?

The 0.86 A/R ratio indicates a larger turbine housing size, which supports improved airflow and higher top-end power at the expense of slightly slower spool compared to smaller A/R housings.

What turbo is this compatible with?

This turbine housing is designed for Garrett GT28R turbocharger applications using a T25 inlet and 5-bolt outlet configuration.

What is high-silicone (Hi-Sil) material?

Hi-Sil refers to a high-silicon content casting that improves resistance to heat and cracking under high-temperature turbocharger conditions.

Is this for direct replacement or custom builds?

This component can be used as a replacement housing or for custom turbocharger builds and upgrades requiring specific A/R and flange configurations.

Fitment

• Garrett GT28R turbocharger applications
• T25 inlet flange setups
• 5-bolt turbine outlet configurations

Note: This is a turbocharger component for performance and custom applications. Verify compatibility with your turbocharger setup before ordering.

Specifications for Garrett 827690-0004