Turbocharger – Garrett GT42R 94mm 850 HP BALL BEARING, 1.16 A/R TiAL SS V-BAND HSG

Built for serious high-horsepower applications, the Garrett GT42R combines a large-frame compressor with ball bearing technology to deliver massive airflow without sacrificing response. This turbocharger is engineered for enthusiasts and race builds chasing serious top-end power while still demanding a turbo that spools with authority. With its TiAL stainless steel V-band turbine housing, it’s the right choice for builders who need durability and flow to match their power goals.

Specifications

• Compressor Wheel: 94mm
• Compressor Trim: 56 trim
• Turbine Wheel: 82mm
• Turbine Trim: 84 trim
• A/R Ratio: 1.16
• Bearing Type: Ball Bearing
• Turbine Housing: TiAL Stainless Steel V-Band
• HP Capacity: Approximately 850 HP
• Model: GT42R

Performance & Application

The GT42R is designed for builds targeting approximately 850 HP, making it a strong fit for high-output performance and race applications. Its ball bearing core supports quicker spool and improved response compared to traditional journal bearing designs, while the 94mm compressor and 82mm turbine wheel combination is engineered to move serious air at the top end. The 56-trim compressor and 84-trim turbine work together to balance flow characteristics with boost response, making this turbo well suited for enthusiasts pushing big power without giving up drivability. The TiAL stainless steel V-band turbine housing adds durability for demanding, high-heat applications.

Frequently Asked Questions

What HP can the GT42R support?

This GT42R is capable of approximately 850 HP.

Is this a ball bearing or journal bearing turbo?

This GT42R uses ball bearing technology.

What is the A/R ratio of this turbine housing?

The turbine housing has a 1.16 A/R ratio.

What type of turbine housing does this GT42R use?

It uses a TiAL stainless steel V-band turbine housing.

For builders demanding serious horsepower with the response benefits of ball bearing technology, this GT42R delivers the flow, durability, and performance to back up an 850 HP build.