BorgWarner 12839097000 EFR 8374 SuperCore Aluminum B2 Frame Turbocharger Assembly

The BorgWarner EFR 8374 SuperCore with aluminum center housing assembly represents cutting-edge turbocharger technology designed for high-performance racing and modified street applications. This B2 frame SuperCore is engineered to support power levels from 475 to 750 horsepower while maintaining exceptional response characteristics that professional time attack and drift teams demand.

Key Features:

• 74mm Gamma-Ti turbine wheel with approximately 50% reduced inertia for dramatically improved turbo response
• 62mm inducer / 83mm exducer forged milled compressor wheel (FMW) with extended tip technology capable of 79 lb/min airflow
• Dual ceramic ball bearing assembly with metal cage for reduced friction and faster spool
• Integrated Compressor Recirculation Valve (CRV) to prevent compressor surge during throttle lift events
• Built-in Boost Control Solenoid Valve (BCSV) for precise boost management
• Aluminum bearing housing with water cooling provisions (cooling required)
• Speed sensor mounting provisions on compressor cover
• 4-inch compressor inlet and 2.5-inch outlet

What's Included: This SuperCore assembly includes the compressor housing, center housing rotating assembly (CHRA), and turbine wheel. Note: Turbine housing, clamp plate hardware, wastegate, and actuator are sold separately. Optional hardware such as speed sensor, turbine gaskets and V-bands, oil drain gaskets and fittings, and actuators must be purchased separately.

The EFR 8374 is ideal for single turbo applications on 4-cylinder engines like Mitsubishi Evo, Subaru WRX/STI, and Honda platforms, as well as 6-cylinder engines such as Nissan RB26 and Toyota 2JZ. This SuperCore configuration allows you to upgrade your existing turbo system or build a custom setup with your choice of turbine housing.