The Garrett GTX4202R is a large-frame ball bearing turbocharger built for extreme performance applications where massive airflow and top-end power are the priority. Designed for serious enthusiasts pushing well past four-digit horsepower goals, this turbo pairs a high-flowing compressor with a divided turbine housing to handle demanding, high-boost builds. It’s the choice for builders who need proven, extreme-output capability without compromise.

Specifications

• Compressor Wheel Inducer: 75.8mm
• Compressor Wheel Exducer: 102.3mm
• Compressor Wheel Trim: 55
• Compressor Housing A/R: 60 A/R
• Compressor Housing Frame: GT42R Frame
• Compressor Inlet: 5″ Inlet
• Compressor Outlet: V-Band 4.5″ OD (3.5″ ID) Outlet
• Turbine Wheel Inducer: 82mm
• Turbine Wheel Exducer: 75.1mm
• Turbine Wheel Trim: 84 trim
• Turbine Housing A/R: 1.01 A/R
• Turbine Housing Inlet: T6 Divided Inlet
• Turbine Housing Outlet: 5″ Marmon Outlet
• Bearing Type: Ball Bearing
• HP Capacity: Supports over 1,100HP
• Compressor Feature: Built-in ported shroud (anti-surge)

Performance & Application

The GTX4202R is engineered for large-frame, extreme-output builds that demand both high airflow and durability under sustained boost. Its ball bearing core and divided T6 turbine housing are matched to a high-flowing GT42R-frame compressor housing, delivering the capacity needed to support over 1,100 horsepower. The built-in ported shroud helps stabilize compressor operation and resist surge at the edges of the map, making this turbo well-suited to high-boost, high-power applications where consistent airflow control matters. This is a turbocharger for builders targeting extreme power levels rather than daily-driver responsiveness.

Frequently Asked Questions

What HP can the GTX4202R support?

The GTX4202R supports over 1,100HP.

Is this a ball bearing or journal bearing turbo?

The GTX4202R is a ball bearing turbocharger.

What is the turbine housing A/R and configuration?

The turbine housing is a 1.01 A/R with a T6 Divided Inlet and 5″ Marmon Outlet.

What compressor outlet does the GTX4202R use?

The compressor housing features a V-Band outlet with a 4.5″ outer diameter ring and 3.5″ ID tube.

For builders chasing extreme, four-digit horsepower with proven Garrett engineering behind every component, the GTX4202R delivers the airflow, durability, and boost control needed to get there.