Borg Warner EFR Turbocharger 8374 Supercore / Compressor Housing ALU

The BorgWarner EFR8374 exhaust gas turbocharger is our first choice when it comes to uncompromising performance and outstanding responsiveness. Developed with a clear goal: maximum performance on the road, the racetrack, and the 1/4-mile.

The EFR series stands for state-of-the-art turbocharger technology. BorgWarner combines innovative materials, sophisticated design, and the highest manufacturing quality to cover power ranges from 250 to 1000 hp per turbocharger. The EFR8374 is positioned in the range of 475 to 750 hp, offering a perfect balance of spool behavior and top-end performance.

At its core is the combination of a highly efficient compressor wheel, an extremely lightweight gamma titanium aluminide turbine wheel, and proven ceramic ball bearing technology. These features set new standards in motorsport, ensuring minimal friction, rapid RPM pick-up, and maximum durability under extreme conditions.

Technical data:

• Power range: 475–750 hp

• Compressor wheel: Inducer 62.6 mm / Exducer 83.5 mm

• Turbine wheel (exhaust): 74 mm

• Turbine housing: not included

• Version with aluminum bearing housing

Compressor side:

• Forged and CNC-milled compressor wheel for maximum strength with low weight

• Extended Tip technology for improved efficiency

• Integrated blow-off valve

• Integrated solenoid valve

• 360° rotatable thanks to V-band connection

• Preparation for optional speed sensor to determine compressor efficiency

Center housing rotating assembly:

• Dual ceramic ball bearing system for minimized friction and fast response

• Integrated oil restrictor

• Water-cooled for optimal thermal stability

The matching turbine housing and line kits can be conveniently selected via the drop-down menu, allowing the turbocharger to be optimally adapted to your setup.

Example image!