GARRETT G-SERIES G55 2100 CHRA G55-2100, G55-91mm, P/N: 880546-5003S

The Garrett G55-2100 CHRA is a purpose-built cartridge assembly engineered for extreme horsepower builds where reliability under sustained high boost is non-negotiable. Designed for competition and race applications, this CHRA gives serious builders a foundation capable of supporting massive power without compromising durability. If your project demands a core that can handle the top end of the performance spectrum, this is the assembly to build around.

Specifications

• Compressor Wheel: 91mm
• HP Capacity: Up to 2100 HP
• Bearing Type: Dual-Ball Bearing
• Garrett P/N: 880546-5003S
• Also Known As: G55-2100, G55-91mm

Performance & Application

This CHRA is built for high-boost, extreme-performance applications where standard journal bearing designs fall short. The dual-ball bearing construction delivers superior durability and sharper response compared to conventional bearing setups, making it well suited for competition builds that demand both aggressive power delivery and long-term reliability. With capacity to support up to 2100 HP, this cartridge is intended for builders pushing well beyond typical street power levels. It’s a core designed specifically for those chasing extreme output without sacrificing the responsiveness needed for real-world driveability at the track.

Frequently Asked Questions

What HP can the G55-2100 support?

The G55-2100 CHRA delivers up to 2100 HP capacity, making it suitable for extreme high-boost and competition builds.

Is this a ball bearing or journal bearing CHRA?

This CHRA features dual-ball bearing construction for superior durability and response.

What compressor wheel size does the G55-2100 use?

It features a 91mm compressor wheel.

What does G55-91mm refer to?

G55-91mm is an alternate name for this same CHRA, referencing its 91mm compressor wheel.

For builders demanding extreme performance and uncompromising reliability at the highest boost levels, the Garrett G55-2100 CHRA stands as a proven foundation for competition-grade turbocharger builds.