Garrett G25-550 Turbocharger Ball Bearing V-Band 0.72 / 0.92 A/R

Overview

The Garrett G25-550 turbocharger is engineered for performance builds needing fast spool, strong mid-range torque, and reliable top-end power in a compact package. Designed for 1.4L to 3.0L engines producing 300–550 horsepower, it suits street, track, and mixed-use applications where responsiveness and durability are critical.

Key Features & Benefits

• Dual ceramic ball bearings for reduced friction, faster spool, and long service life under sustained boost.
• STD and reverse V-band turbine housings offering flexible fitment for custom and performance exhaust systems.
• Multiple A/R choices (0.72 / 0.92) to balance fast response or higher top-end power depending on the build.
• High-efficiency compressor wheel supporting up to 550 HP with stable airflow and strong boost control.
• Robust housing materials available in cast iron and stainless steel for durability in high-heat environments.
• Integrated wastegate (cast iron) for precise boost regulation and consistent on-throttle performance.

Performance Focus

The Garrett G25-550 turbocharger combines compact dimensions with modern aerodynamics and advanced bearing technology. It is an excellent choice for high-output street cars and dedicated performance projects that require sharp throttle response, reliable boost delivery, and stable operation at elevated power levels.

Technical Specifications

• Condition: New
• Purpose: Replace / repair turbocharger
• Type: Turbocharger (G-series performance)
• Turbo model: G25-550
• Model number: G25-550
• Turbo part number: 877895-5003S
• Supercore part number: 858161-5002S
• Turbine part number: 740902-0069
• Rotation: Standard
• Compressor specs: Inducer 48 mm / Exducer 60 mm / A/R 0.70
• Turbine specs: Inducer 54 mm / Exducer 49 mm / A/R 0.72
• Available turbine A/R options: 0.72 / 0.92
• Recommended engine displacement: 1.4L – 3.0L
• Horsepower range: 300 – 550 HP
• Weight: 6.80 kg
• Bearing type: Dual ceramic ball bearing
• Housing materials: Cast iron / stainless steel
• Wastegate: Included (cast iron)

What's Included

• 1 x Garrett G25-550 turbocharger assembly