Garrett 877895-5004S Turbocharger G-Series G25-550, 0.92 A/R, Wastegated

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

The GARRETT 877895-5004S G25-550 turbocharger features a 0.92 A/R V-Band inlet and outlet configuration with an internally wastegated housing.

As part of Garrett’s new G Series, this turbo delivers exceptional power density and efficiency in a compact design.

The forged fully machined compressor wheel, CFD-optimized for maximum airflow, offers up to 15–30% more flow than GTX Gen II turbos.

The turbine wheel, constructed from Mar-M alloy, is capable of handling exhaust gas temperatures up to 1050 °C, ensuring durability under motorsport conditions.

Specifications

• Frame: G25
• Bearing: ceramic ball bearing
• Rotation: standard
• Compressor wheel: 48 mm inducer, 60 mm exducer, 65 trim, 0.7 A/R
• Turbine wheel: 54 mm inducer, 49 mm exducer, 84 trim, 0.92 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

• 0.92 A/R V-Band inlet and outlet with internal wastegate
• Forged fully-machined compressor wheel with CFD-optimized aero
• Turbine wheel constructed of MAR-M alloy rated to 1055 °C
• Oil restrictor and water fittings included
• Dual ceramic ball bearing cartridge for fast spool and durability
• Fully machined speed-sensor and pressure ports
• Specifications:
• Maximum Allowable Turbo Speed: 165,000 RPM