BorgWarner 12747100022 EFR B2 9274 Turbocharger Cartridge with Cast Iron Bearing Housing

The BorgWarner 12747100022 is an EFR (Engineered For Racing) B2 9274 turbocharger cartridge assembly featuring a cast iron bearing housing. This high-performance super-core assembly is part of BorgWarner's Black Series lineup, designed for extreme performance applications including professional drifting, time attack, and high-horsepower builds.

Key Features:

• 92mm compressor wheel with 72mm inducer diameter for maximum airflow
• Flows up to 106 lbs/min of air at 125,000 RPM maximum shaft speed
• 74mm Gamma-Ti (titanium aluminide) turbine wheel for reduced rotational mass and faster spool
• Forged-milled extended tip compressor wheel with black anodized finish
• Patented dual-row ceramic ball bearing cartridge for superior durability and thrust load capacity
• Cast iron bearing housing (B2 version) for enhanced structural rigidity
• Supports single turbo applications from 2.0L to 6.0L engines
• Power capability range of 600-1050 horsepower per turbocharger

This cartridge assembly is designed for builds that demand extreme boost levels and high turbo shaft speeds. The EFR 9274 features optimized compressor blade geometry and contoured housing design to maximize airflow while maintaining high efficiency across a wider operating range. The Gamma-Ti turbine wheel reduces inertia for improved throttle response, while the ceramic ball bearing system provides exceptional reliability under race conditions.

Note: This is a cartridge/super-core assembly only and does not include turbine housing, compressor housing, wastegate components, or mounting hardware. Complete turbo assembly requires additional components.