The Garrett GTW3884JB SuperCore is built for enthusiasts and shops assembling a serious 6766-class turbo system who demand journal bearing reliability without paying for features they won’t use. As a supercore, it delivers the core rotating assembly and compressor housing so builders can pair it with the turbine housing of their choice for a custom-tailored setup. This is Garrett’s GTW Series answer to the popular 6766 size turbo, offering great performance at a competitive price point.
Specifications
- Compressor Wheel Inducer: 64.3mm
- Compressor Wheel Exducer: 84.4mm
- Compressor Wheel Trim: 64
- Turbine Wheel Inducer: 74.2mm
- Turbine Wheel Exducer: 64.6mm
- Turbine Wheel Trim: 76
- Compressor Housing Frame: T04S Frame
- Compressor Inlet: 4″
- Compressor Outlet: 2.5″
- Anti-Surge: Built-in & machined anti-surge
- Bearing Type: Journal Bearing
- HP Potential: 950 HP potential flow
- Garrett P/N: 841297-5004S
- Also Known As: GTW6465JB
Performance & Application
This supercore is designed for builders targeting serious power in the 6766 turbo size class, giving flexibility to match it with a turbine housing suited to their specific application. The journal bearing design and GTW Series engineering make it a strong option for high-horsepower builds looking for a balance of performance and value. With its substantial HP potential, this core suits enthusiasts pushing well beyond stock power levels who need a robust rotating assembly as the foundation of their turbo system.
Frequently Asked Questions
- What HP can the GTW3884JB support?
- This supercore has a 950 HP potential flow rating.
- Is this a ball bearing or journal bearing unit?
- The GTW3884JB is a journal bearing supercore.
- What does GTW6465JB refer to?
- GTW6465JB is an alias for the Garrett GTW3884 64mm journal bearing supercore.
- What compressor inlet and outlet does this unit use?
- The compressor housing is a T04S frame with a 4″ inlet and 2.5″ outlet, featuring built-in and machined anti-surge.
For enthusiasts building a high-output 6766-class turbo system, the GTW3884JB SuperCore delivers proven Garrett engineering and serious HP potential as the core of your custom setup.
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