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

Description GARRETT 938339-5002S Supercore G-Series II G42-1325

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. With newly developed compressor aerodynamics, the G42-1325 delivers up to 10% more compressor flow at peak operating conditions compared to Gen I. 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. Optimized for engines displacing between 2.0L and 7.0L, the G42-1325 supports up to 1325 horsepower with enhanced reliability through its Inconel turbine wheel and ceramic dual ball bearing system.

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
• Turbine Wheel Material: Inconel
• Frame Size: 42
• Rotation: Standard
• Cooling: Oil & Water Cooled
• Bearing: Ceramic Dual Ball Bearing
• Minimum Horsepower: 475 HP
• Maximum Horsepower: 1325 HP
• Minimum Engine Displacement: 2.0 L
• Maximum Engine Displacement: 7.0 L
• Maximum Allowable Turbocharger Speed: 120,000 RPM