Garrett 860778-5002S Supercore G-Series G42-1200, Trim 65

Garrett G42-1200 supercore — a balanced core assembly (centre cartridge with compressor cover and back plate) for building or rebuilding G-Series turbochargers.

This compact turbocharger is engineered for high-performance output with minimal space requirements. Featuring premium materials, CFD-optimized aerodynamics, and external wastegate compatibility, it’s ideal for custom and motorsport applications.

Specifications

• Frame: G42
• Bearing: ceramic ball bearing
• Rotation: standard
• Compressor wheel: 73 mm inducer, 91 mm exducer, 65 trim, 0.9 A/R
• Turbine wheel: 82 mm inducer, 75 mm exducer, 84 trim
• Turbine wheel material: Inconel alloy
• Power: up to 1200 HP
• Displacement: 2.0-7.0 L

Features

• CFD-optimized, forged milled compressor wheel
• High-flow compressor housing with sensor-ready port
• Standard (clockwise) rotation
• Dual ceramic ball bearing cartridges
• Inconel turbine wheel rated to 950C
• 950C stainless steel turbine housing
• Four large water jacket ports
• Water- and oil-cooled for thermal efficiency