BorgWarner EFR 7163 Turbo


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The highest power small-frame EFR turbo, EFR7163 is designed specifically for competitive racing use.  State of the art ‘Mixed-Flow Gamma-Ti Turbine Wheel’ design allows for remarkable spool and huge power bands. This unique turbocharger is literally an off-the-shelf Indycar turbocharger, used as twin turbos by all current Indy Racing League teams.

Turbo Features:

  • Mixed Flow Gamma-Ti turbine wheel
  • Forged milled extended tip compressor wheel
  • Military-grade dual ceramic ball bearing assembly with silver plated metal cage
  • Stainless steel turbine housing
  • Water cooled light-weight Aluminum bearing housing
  • Large internal wastegate (optional)
  • Compressor recirculation valve (aka BOV)
  • Boost control solenoid valve
  • T25, T4 and V-Band Turbine Housing options to fit a variety of installations
  • Optional Turbo Speed Sensor Kit
  • Optional Turbo Speed Gauge

Compressor Specifications

    • Compressor Type: Forged-Milled Wheel (FMW) Extended Tip
    • Compressor Wheel OD (exducer): 71mm
    • Compressor Wheel Inducer: 57mm
    • Compressor Wheel Trim: 64
    • Max Flow Rate: 60 lb/min
    • Compressor Housing: 2.5″ hose coupler inlet, 2.0″ hose coupler outlet
    • Built-in BOV: All EFR compressor housings incorporate an integrated BOV.
    • Connections:
    • Inlet: 2.5″ Hose Coupler
    • Outlet: 2.0″ Hose Coupler

Turbine Specifications

  • Turbine type: Low Inertia Gamma-Ti Turbine Wheel
  • Turbine Wheel OD: 58mm
  • Stainless Steel Sand cast Housing
  • 0.64 A/R T25 Undivided (Internal WG) – Part # 179388
  • Turbine outlet: GT-Vband (aka small 3″ vband) ~92mm OD for all EFR turbos


  • Dual Row Ceramic Ball Bearings – lowest friction and fastest spool/response, most extreme durability, built-in 2mm oil restrictor
  • 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 provision
  • Optional Turbo Speed Sensor Kit
  • Optional Turbo Speed Gauge

7163 V-Band 0.85 A/R EWG Photos:

Additional information

Weight 25 lbs
Dimensions 15 × 15 × 15 in
Turbine A/R

Supercore ONLY (No Turbine Housing) ($0.00), 0.85 A/R Undivided (Internal WG) V-Band Inlet (+795.00), 0.85 A/R Undivided (External WG) V-Band Inlet (+460.00)

Compressor Housing

Standard Compressor Housing, 90° Outlet Compressor Housing (+275.00), SX-E Style Compressor Housing (+185.00)

Center Housing (CHRA)

Cast Iron, Aluminum (+112.00)

Turbo Speed Sensor

Yes Sir! (+$160.00), No Thanks


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