The Garrett GTX4202R combines a large-frame ball bearing center section with a TiAL stainless steel V-band turbine housing, delivering the response and top-end capacity serious high-horsepower builds demand. Designed for enthusiasts pushing well beyond stock turbo limits, this unit pairs a high-flowing compressor housing with a ported shroud design to extend the usable map range under boost. It’s built for those who need massive airflow without sacrificing the quick spool and durability that ball bearing technology provides.

Specifications

• Bearing Type: Ball Bearing
• Compressor Wheel Inducer: 75.8mm
• Compressor Wheel Exducer: 102.3mm
• Compressor Wheel Trim: 55
• Compressor Housing A/R: 60
• Compressor Housing Frame: GT42R
• Compressor Inlet: 5″
• Compressor Outlet: V-Band, 4.5″ OD (3.5″ ID)
• Compressor Feature: Built-in ported shroud (anti-surge)
• Turbine Wheel Inducer: 82mm
• Turbine Wheel Exducer: 75.1mm
• Turbine Wheel Trim: 84 trim
• Turbine Housing Material: TiAL Stainless Steel
• Turbine Housing A/R: 1.00
• Turbine Housing Inlet: V-Band
• Turbine Housing Outlet: 4″ V-Band
• HP Capacity: Supports over 1,100HP

Performance & Application

The GTX4202R is engineered for large-frame, high-horsepower applications where sustained top-end airflow is critical. Its ball bearing center section provides sharper transient response compared to traditional journal bearing designs, while the high-flowing compressor housing and ported shroud work together to resist surge as boost builds. The TiAL stainless steel V-band turbine housing is built to handle extreme heat and pressure, making this turbo a strong fit for builds targeting serious four-digit horsepower numbers. This is a turbocharger for enthusiasts who have outgrown smaller frame turbos and need a unit capable of feeding a high-output engine without compromise.

Frequently Asked Questions

What HP can the GTX4202R support?

The GTX4202R supports over 1,100HP, making it suitable for high-horsepower performance builds.

Is the GTX4202R a ball bearing or journal bearing turbo?

The GTX4202R is a ball bearing turbocharger.

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

The turbine housing features a 1.00 A/R, constructed from TiAL stainless steel with a V