BorgWarner 6758 EFR Ball Bearing T4 Turbo

  • $2,686.14
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6758 T4 IWG Turbocharger (250-500HP) By Borgwarner

The EFR 6758 is the smallest turbocharger in the ultra-efficient EFR lineup. The 67mm OD compressor has a 54mm inducer at 44lb/min max flow - supporting up to 500hp with a very large map width for outstanding power potential even at a high boost. The 6758 is the fastest spooling EFR turbo - and fits in a small package. Ideal for small engines in single turbo configuration and stock internal or modified engines.

This is an excellent turbocharger for autocross, rally, drift, road racing, and street-driven applications. The low inertia 58mm Gamma-Ti turbine wheel is optimally matched for maximum response and fastest spool with the FMW compressor wheel. EFR 6758 uses the smallest-sized EFR compressor housing, fitting in the tightest engine bays particularly twin-turbo V6 applications. Ideal for use in single turbo applications for the 260-500hp range, or as twin turbo applications 400-700+hp. Ceramic Ball Bearing only, water cooling recommended (not mandatory).


  • Gamma-Ti turbine wheel
  • Extended Tip Technology
  • Boost Control Solenoid Valve (BCSV)
  • Forged Milled Compressor Wheel (FMW)
  • Integrated Compressor Recirculation Valve (CRV)
  • Dual ceramic ball bearing assembly with metal cage
  • Compressor cover with speed sensor mounting provisions


  • 250-500HP
  • B1 Turbo Frame Size
  • 54mm Comp. Wheel Inducer Dia.
  • 67mm Comp. Wheel O.D.
  • 58mm Turbine Wheel O.D.
  • Straight Compressor Outlet

What's in the Box?

  • 1 T4 6758 .80A/R Turbocharger



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