The Garrett GTW3884R is a ball bearing turbocharger built for enthusiasts chasing serious top-end power without sacrificing the responsiveness that makes a turbo enjoyable to drive. Engineered as Garrett’s GTW Series answer to the popular 6466 size turbo, it delivers competition-caliber flow characteristics at a price point that makes high-horsepower builds more accessible. This is the right choice for builders who want proven Garrett engineering behind a turbo capable of supporting serious power goals.
Specifications
- Compressor Wheel Inducer: 62.3 mm
- Compressor Wheel Exducer: 84.4 mm
- Compressor Wheel Trim: 58
- Turbine Wheel Inducer: 74.2 mm
- Turbine Wheel Exducer: 64.6 mm
- Turbine Wheel Trim: 76
- Turbine Housing A/R: .81 A/R (Standard)
- Turbine Housing A/R Option: .96 A/R available
- Bearing Type: Ball Bearing
- Turbine Housing Configuration: T4 Undivided (UND)
- Turbine Housing Outlet: 3″ V-band, 81mm center groove
- Compressor Housing Frame: T04S
- Compressor Housing Inlet: 4″
- Compressor Housing Outlet: 2.5″
- Compressor Housing Feature: Built-in & machined anti-surge
- HP Potential: 900 HP flow potential
- Also Known As: GTW6265R
Performance & Application
Built around Garrett’s GTW Series platform, this turbo is engineered for performance builds targeting significant horsepower gains while retaining the ball bearing core’s characteristic quick response. The T4 undivided housing and 3″ V-band outlet configuration make it well suited to builds already running T4-based exhaust manifolds and V-band downpipe setups. Its 900 HP potential flow places it firmly in the competition and high-output street/strip category, with the .81 A/R standard housing tuned for a strong balance of response and top-end power. Builders wanting a slightly different spool and top-end characteristic can opt for the .96 A/R alternative.
Frequently Asked Questions
- What does GTW6265R refer to?
- GTW6265R is an alternate name (alias) for the Garrett GTW3884R turbocharger.
- Is the GTW3884R a ball bearing or journal bearing turbo?
- The GTW3884R is a ball bearing turbocharger.
- What HP can the GTW3884R support?
- The GTW3884R has a 900 HP potential flow rating.
- What A/R ratio does the GTW3884R come with?
- It comes standard with a .81 A/R T4 undivided housing, with a .96 A/R option also available.
For builders who demand Garrett-engineered reliability paired with serious high-horsepower capability, the GTW3884R (GTW6265R) delivers proven performance backed by a purpose-built ball bearing core and T4 undivided housing designed to perform.
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