BorgWarner EFR 6758 Vband .85ar IWG Turbocharger *ALUM* - 11589880035

11589880035, 11581008001
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Special Price $1,909.00 Regular Price $2,625.45

BorgWarner EFR 6758 Vband .85ar IWG Turbocharger *ALUM* - 11589880035

*Aluminum CHRA*

Compressor Specifications

  • Compressor Type: Forged-Milled Wheel (FMW) Extended Tip
  • Compressor Wheel OD (exducer): 67mm
  • Compressor Wheel Inducer: 53.9mm
  • Max Flow Rate: 49 lb/min
  • Built-in BOV: All EFR compressor housings incorporate an integrated BOV.
  • Compressor Housing: 2.5" inlet, 2.0" hose coupler outlet
  • Optional 90 Degree Outlet on Compressor Housing


Turbine Specifications - V-Band, Single Scroll, .85AR, Internally Wastegated

  • Turbine Type: Low Inertia Gamma-Ti Turbine Wheel
  • Turbine Wheel OD (Inducer): 58mm
  • Turbine Wheel Enducer: 51mm
  • Turbine Outlet: GT-Vband (aka small 3" vband) ~92mm OD for all EFR turbos
  • Stainless Steel Investment Cast Housing



  • Dual Row Ceramic Ball Bearings - lowest friction and fastest spool/response, most extreme durability, built-in oil control orifice - (aka oil restrictor) **no restrictor can be used with EFR turbos
  • Watercooled Center Section - watercooling is recommended, 14mm banjo bolts
  • Double seals on both turbine and compressor end for extreme durability and resistance to any oil seepage
  • Boost Control Solenoid Valve Integrated to Compressor Housing
  • Integrated Speed Sensor mounting provisions
  • Aluminum CHRA


Applicable Part Numbers

  • 11589880035, 11587105001, 11581008001

Borg Warner 6758 EFR Turbo, 250-500 HP. The Borg Warner 6758 EFR Turbo is a versatile turbo with very large map width for outstanding power potential even at high boost - and does it in a small package. This is an excellent turbocharger for autocross, rally, drift, road racing and street driven applications. This turbo uses a 67mm OD compressor with a 53.9mm inducer to support a remarkable 49lb/min max flow rate. The low inertia 58mm Gamma-Ti turbine wheel is the optimal match for the FMW compressor wheel. EFR 6758 uses the smallest-sized EFR compressor housing, fitting in the tightest engine bays particularly twin turbo V6 or V8 applications. In twinscroll T4 configuration, the 6758 delivers mindblowing fast spool and response while working well on stock and modified engines. Ideal for use in single turbo applications for the 250-500hp range, or as twin turbo applications 500-1000+hp. Ceramic Ball Bearing only, watercooling mandatory.

Borg Warner's latest release, the EFR (Engineered for Racing) Series turbochargers. EFR is currently the most advanced turbo of its type engineered for the performance aftermarket. Crammed full of attributes that appeal to the performance car enthusiast, EFR is at the pinnacle of what can be done with the current state of the art.

The result is the new EFR (Engineered for Racing) line of turbos from BorgWarner. These turbos contain a bevy of key attributes such as Gamma Ti turbine wheels, dual ceramic ball bearing cartridges and investment cast stainless steel turbine housings. Collectively, those features help give the EFR line its innovative appeal and will provide a breakthrough experience in durability, device responsiveness and installer/user satisfaction.

More Information
Part Number11589880035, 11581008001
Type of PartEFR 6758 (500HP)
Horsepower Gains250 - 500 HP
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