The Garrett GTW3884R delivers serious ball bearing performance for enthusiasts building a high-response, high-capacity turbo system without stepping up to a larger frame. Designed for tuners who want strong mid-range pull combined with the durability of Garrett’s dual ceramic ball bearing cartridge, this turbo is built for those who demand precision engineering behind their power goals. It’s the right choice for anyone targeting serious horsepower while keeping spool characteristics sharp and predictable.
Specifications
- Compressor Wheel Inducer: 64.3 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 A/R: .81 A/R (T4 Undivided)
- Turbine A/R Option: .96 A/R available
- Bearing System: Ball Bearing
- Compressor Housing Frame: T04S
- Compressor Inlet: 4″
- Compressor Outlet: 2.5″
- Compressor Surge Control: Built-in & machined anti-surge
- Turbine Discharge: 3″ V-band, 81mm center groove
- HP Potential: 900 HP
- Garrett P/N: GTW3884R
- Also Known As: GTW6465R
Performance & Application
The GTW3884R is Garrett’s Performance solution to the popular 6466 size turbo, giving builders a proven wheel combination in a package tuned for both response and top-end flow. With its 64mm compressor wheel and 65mm turbine wheel working through a T04S compressor housing and .81 A/R T4 undivided turbine housing, this turbo is built for enthusiasts chasing serious power without sacrificing everyday drivability. The anti-surge compressor design and ball bearing core support quick spool and stable boost delivery across a wide operating range. This turbo is well suited to high-horsepower street and performance builds looking for a great balance of performance and value.
Frequently Asked Questions
- What does GTW6465R refer to?
- GTW6465R is an alternate name for the Garrett GTW3884R turbocharger.
- What HP can the GTW3884R support?
- The GTW3884R offers up to 900 HP potential flow.
- Is this a ball bearing or journal bearing turbo?
- The GTW3884R is a ball bearing turbocharger.
- What turbine A/R options are available?
- The standard configuration is .81 A/R T4 undivided, with a .96 A/R option also available.
For builders seeking Garrett’s proven GTW ball bearing platform in a 6466-class package, the GTW3884R delivers the flow, response, and durability needed to make serious power reliably.
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