The Garrett GT2554R is a compact, quick-spooling ball bearing turbocharger built for four-cylinder enthusiasts who want sharp throttle response without sacrificing top-end capability. Its dual ball bearing core reduces internal friction for faster spool and improved transient response compared to journal bearing designs. Whether you’re building a daily-driven sport compact or a dedicated track car, the GT2554R offers flexible housing configurations to match your power goals and wastegate setup.

Specifications

• Bearing Type: Dual Ball Bearing
• HP Capacity: Approximately 240HP
• Turbine Housing A/R: .64
• Turbine Housing Option 1: T25 Inlet, 5 Bolt Outlet, Internally Gated
• Turbine Housing Option 2: V-band Inlet, 5 Bolt GT Outlet, Internally Gated
• Turbine Housing Option 3: V-band Inlet, V-band Outlet, Externally Gated
• Garrett P/N: GT2554R
• Also Known As: GT25R

Performance & Application

The GT2554R is an excellent responding turbo for four-cylinder applications, delivering the kind of quick spool-up that makes it well suited to daily driving as well as more aggressive builds. With a flow capacity of approximately 240HP, it strikes a balance between responsiveness and usable power for street and performance-oriented four-cylinder engines. The availability of internally gated or externally gated turbine housing options allows this turbo to be tailored to a variety of wastegate configurations and installation requirements.

What’s Included

• Internal Wastegate Actuator & bracket — included ONLY with internally gated turbine housing options

Frequently Asked Questions

What HP can the GT2554R support?

The Garrett GT2554R has a flow capacity of approximately 240HP.

Is the GT2554R a ball bearing or journal bearing turbo?

The GT2554R is a dual ball bearing Garrett turbo, designed for excellent response in 4-cylinder applications.

What does GT25R refer to?

GT25R is an alternate name (alias) for the Garrett GT2554R turbocharger.

What is the A/R ratio of the GT2554R turbine housing?

The GT2554R is available with a .64 A/R turbine housing.

Does the GT2554R include a wastegate actuator?

The Internal Wastegate Actuator and bracket are included ONLY with internally gated turbine housing options.

For enthusiasts who demand fast-spooling response backed by proven ball bearing durability, the Garrett GT2554R delivers a configurable, performance-ready solution for serious four-cylinder builds.