Garrett 938339-5003S Supercore G-Series II G42-1585

Garrett G42-1585 supercore — a balanced core assembly (centre cartridge with compressor cover and back plate) for building or rebuilding G-Series II turbochargers.

The Garrett G-Series II G42-1585 Supercore turbocharger offers cutting-edge performance for motorsport professionals, tuners, and high-performance vehicle enthusiasts.

Designed as a drop-in upgrade for existing G-Series I setups, the G42-1585 combines forged, fully machined compressor components with a high-temperature Inconel turbine for exceptional durability and efficiency under demanding conditions.

Specifications

• Frame: G42
• Bearing: ball bearing
• Rotation: standard
• Compressor wheel: 79 mm inducer, 98 mm exducer
• Turbine wheel: 82 mm inducer, 75 mm exducer, 84 trim
• Turbine wheel material: Inconel alloy
• Power: up to 1585 HP
• Displacement: 2.0-7.0 L

Features

• Specifications
• Compressor Inducer: 79 mm
• Compressor Exducer: 98 mm
• Compressor Wheel Material: Forged Fully Machined
• Compressor A/R: 0.85
• Turbine Inducer: 82 mm
• Turbine Exducer: 75 mm
• Turbine Trim: 84