Garrett 938271-5002S CHRA G-Series II G40-1250

Replacement centre cartridge (CHRA) for the Garrett G40-1250 turbocharger — the balanced rotating group carrying the shaft, compressor wheel and turbine wheel.

Engineered as a high-performance upgrade, it provides compatibility with existing Gen I compressor and turbine housings, allowing for flexible integration in motorsport and tuning applications.

Specifications

• Frame: G40
• Bearing: ball bearing
• Rotation: standard
• Compressor wheel: 71 mm inducer, 88 mm exducer
• Turbine wheel: 77 mm inducer, 70 mm exducer, 84 trim
• Turbine wheel material: MAR-M alloy
• Power: up to 1250 HP
• Displacement: 2.0-6.0 L

Features

• Specifications
• Direct upgrade for Gen I setups using turbo, supercore, or CHRA
• Maintains compatibility with Gen I compressor and turbine housings
• Delivers up to 10% higher compressor flow at peak performance levels
• Optimized for high-efficiency output at elevated flow rates
• Supports both standard and reverse rotation configurations
• Turbine wheel constructed of MAR-M alloy rated to 1055 °C
• Stainless steel turbine housings also rated to withstand up to 1050C