Garrett 871388-5001S Supercore G-Series G25-550, Trim 65

Garrett G25-550 supercore — a balanced core assembly (centre cartridge with compressor cover and back plate) for building or rebuilding G-Series turbochargers.

This compact turbocharger delivers exceptional performance in minimal space, ideal for custom applications and high-output builds. Engineered with advanced components for maximum flow, durability, and control.

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
• Turbine wheel material: MAR-M alloy
• Power: up to 550 HP
• Displacement: 1.4-3.0 L

Features

• Forged milled compressor wheel (CFD-optimized)
• High-flow compressor housing with integrated speed sensor port
• Reverse rotation (counterclockwise)
• Dual ceramic ball bearings for reduced friction
• Turbine wheel constructed of MAR-M alloy rated to 1055 °C
• 4 large water jacket ports for improved cooling
• Oil- and water-cooled for thermal stability
• Compressor: 48mm inducer / 60mm exducer