Garrett G-SERIES G25 CHRA G25-660-FR (REGULAR ROTATION), P/N: 860701-5002S

The Garrett G25-660-FR CHRA delivers race-proven ball-bearing performance in a compact, responsive package built for enthusiasts who demand quick spool without sacrificing top-end capability. This regular rotation cartridge is engineered for street and strip builds that need a turbo capable of bridging strong mid-range response with serious power potential. It’s the ideal core upgrade or rebuild solution for anyone building a Garrett G Series-based turbo system from the ground up.

Specifications

• Bearing Type: Ball Bearing
• Compressor Wheel Size: 52mm
• Turbine Wheel Size: 48mm
• Turbine Housing A/R: 0.68
• HP Capacity: 350-500 hp
• Rotation: Regular Rotation (FR)
• Garrett P/N: 860701-5002S
• Also Known As: G25-660-FR

Performance & Application

This CHRA is purpose-built for builders targeting the 350-500 hp range who want fast, responsive boost delivery without giving up room to grow. The ball-bearing design combined with the optimized airflow path maximizes spool-up characteristics, making it a strong choice for street-driven performance cars and strip-focused applications alike. The 52mm compressor and 48mm turbine wheel combination, paired with the 0.68 A/R turbine housing, strikes a balance between quick throttle response and sustained mid-range power. It’s an excellent foundation for enthusiasts building or rebuilding a G25-660 based turbocharger system.

Frequently Asked Questions

Is the G25-660-FR CHRA ball bearing or journal bearing?

It is a ball-bearing CHRA, which contributes to its responsive spool-up characteristics.

What compressor and turbine wheel sizes does this CHRA use?

This CHRA features a 52mm compressor wheel and a 48mm turbine wheel.

What is the A/R ratio of the turbine housing?

The turbine housing uses a 0.68 A/R ratio.

What horsepower range can this CHRA support?

This CHRA is designed for applications in the 350-500 hp range.

What does “FR” mean in the G25-660-FR designation?

FR denotes Regular Rotation for this G25-660 CHRA configuration.

For builders seeking a ball-bearing G25 core with proven mid-range response and a clear path to 350-500 hp, the G25-660-FR CHRA is the authentic Garrett solution to build around.