The Garrett G55 2250 CHRA is a purpose-built core assembly engineered for enthusiasts and builders who demand serious top-end power without sacrificing spool characteristics. Built around Garrett’s proven G Series architecture, this CHRA is the foundation for high-output turbo systems on popular American V8 platforms. It’s the right choice for anyone building a serious power adder around a reliable, high-flowing ball-bearing core.
Specifications
- Compressor Wheel: 94mm
- Turbine Wheel: 88mm
- Bearing Type: Ball Bearing
- Turbine Housing A/R: 0.83
- HP Capacity: 550+ hp
- Garrett P/N: 880546-5004S
- Also Known As: G55-2250, G55-94mm
Performance & Application
This G55 CHRA is designed for enthusiasts pushing serious horsepower on LS and LT engine platforms. The ball-bearing core combined with the 0.83 A/R turbine housing delivers responsive spool-up while still supporting high-flow demands at the top end. It’s built for builders who need a core capable of supporting 550+ horsepower without compromising drivability. This makes it a strong fit for high-performance street and race applications where both response and top-end capability matter.
Compatibility & Fitment
- Popular LS engine platforms
- Popular LT engine platforms
Frequently Asked Questions
- What HP can the G55 2250 CHRA support?
- This CHRA is rated for 550+ hp.
- Is this a ball bearing or journal bearing CHRA?
- The G55 2250 CHRA is a ball-bearing unit.
- What is the A/R ratio of the turbine housing?
- The turbine housing uses a 0.83 A/R ratio, delivering responsive spool-up and high-flow capability.
- What vehicles or engines is this compatible with?
- This CHRA fits popular LS and LT engine platforms.
- What does G55-2250 or G55-94mm refer to?
- These are alternate names for the same Garrett G55 2250 CHRA, Garrett P/N 880546-5004S.
With a 94mm compressor wheel, 88mm turbine wheel, and a ball-bearing core rated for 550+ hp, the Garrett G55 2250 CHRA delivers the response and top-end flow serious LS and LT builds demand.
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