Garrett 877895-5007S Turbocharger G-Series G25-550, 0.72 A/R, Wastegated, Reverse Rotation

Garrett G25-550 performance turbocharger with reverse rotation and a wastegated V-Band turbine housing.

The GARRETT 877895-5007S G25-550 turbocharger features a 0.72 A/R V-Band inlet and outlet with an internally wastegated housing in reverse rotation.

The forged fully-machined compressor wheel, optimized with CFD technology, delivers up to 15–30% more airflow compared to GTX Gen II turbos, while maintaining 79–80% efficiency.

The Mar-M super alloy turbine wheel withstands exhaust temperatures up to 1050 °C and flows up to 20% more than previous GTX designs.

Designed for motorsport and high-performance builds, this turbo integrates fully machined ports for speed and pressure sensors, dual ceramic ball bearings, water and oil cooling, and stainless steel turbine housings for maximum durability.

Specifications

• Frame: G25
• Bearing: ceramic ball bearing
• Rotation: reverse
• Compressor wheel: 48 mm inducer, 60 mm exducer, 65 trim, 0.7 A/R
• Turbine wheel: 54 mm inducer, 49 mm exducer, 84 trim, 0.72 A/R
• Turbine wheel material: MAR-M alloy
• Turbine housing flange: V-Band / V-Band
• Wastegate: internal (wastegated housing)
• Power: up to 550 HP
• Displacement: 1.4-3.0 L

Features

• 0.72 A/R V-Band inlet/outlet with internal wastegate
• Reverse rotation (counterclockwise) configuration
• Forged, fully-machined compressor wheel with CFD-optimized aero
• Turbine wheel constructed of MAR-M alloy rated to 1055 °C
• Flows 15–20% more than GTX with peak efficiency of 74%
• Dual ceramic ball bearing cartridge for rapid response
• Oil restrictor and water fittings included
• Four large water jacket ports for enhanced cooling