The Garrett GT2860R Special CHRA is a compact, ball bearing center housing rotating assembly built for enthusiasts who demand quick spool and strong mid-range power without sacrificing top-end capability. Designed as a direct core replacement or fresh-build foundation, this CHRA suits street and race applications where efficient, responsive boost delivery is the priority. It’s an ideal choice for builders seeking proven Garrett engineering in a compact ball bearing package.
Specifications
- Compressor Wheel: 60mm
- Turbine Wheel: 58mm
- Turbine Housing A/R: 0.60
- Bearing Type: Dual Ball Bearing
- HP Capacity: 340+ HP
- Garrett P/N: 446179-5030s
- Alternate P/N: 446179-0030s
- Alternate P/N: 446179-30
Performance & Application
This CHRA is engineered for builds requiring responsive, efficient mid-range performance rather than sheer top-end power. The dual ball bearing design delivers quicker spool and sharper throttle response compared to journal bearing alternatives, making it well suited to street performance and racing applications where boost responsiveness matters. Its compact wheel sizing supports a broad, usable power band for enthusiasts building a GT2860R-based turbo system.
Frequently Asked Questions
- What HP can the GT2860R Special CHRA support?
- This CHRA is rated for 340+ HP capacity.
- Is this a ball bearing or journal bearing design?
- It features a dual ball bearing design for responsive boost delivery and durability.
- What is the turbine housing A/R ratio?
- The turbine housing uses a 0.60 A/R ratio.
- What are the compressor and turbine wheel sizes?
- This CHRA uses a 60mm compressor wheel and a 58mm turbine wheel.
For builders who need a compact, ball bearing CHRA with proven Garrett reliability and strong mid-range responsiveness, the GT2860R Special delivers exactly the performance profile required.
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