Garrett 938339-5002S Supercore G-Series II G42-1325

Garrett G42-1325 supercore — a balanced core assembly (centre cartridge with compressor cover and back plate) for building or rebuilding G-Series II turbochargers.

The Garrett G42-1325 G-Series II Supercore turbocharger represents the next evolution in performance technology, purpose-built for motorsport applications and high-output builds.

Designed as a direct CHRA upgrade for Gen I owners, this unit retains compatibility with existing housings while offering improved efficiency, response, and power potential.

Specifications

• Frame: G42
• Bearing: ceramic ball bearing
• Rotation: standard
• Compressor wheel: 73 mm inducer, 91 mm exducer
• Turbine wheel: 82 mm inducer, 75 mm exducer, 84 trim
• Turbine wheel material: Inconel alloy
• Power: up to 1325 HP
• Displacement: 2.0-7.0 L

Features

• Specifications
• Compressor Inducer: 73 mm
• Compressor Exducer: 91 mm
• Compressor Wheel Material: Forged Fully Machined
• Compressor A/R: 0.85
• Turbine Inducer: 82 mm
• Turbine Exducer: 75 mm
• Turbine Trim: 84