BorgWarner EFR 7670 Turbo

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The BorgWarner EFR 7670 Turbo Is Perfect for Single or Twin-Turbo Applications

BorgWarner's EFR 7670 is ideal for responsive autocross, road racing, and time attack applications. The EFR 7670 delivers an early spool with a healthy 64lb/min compressor flow, It is an excellent fit for use in single turbo applications for the 400-600hp range (up to 2.6L), or as twin turbo applications 700-1100hp.

BorgWarner utilizes their 70mm Gamma-Ti turbine wheel as the optimal match for the 57.2mm inducer / 76mm exducer FMW compressor for an unmatched response. This turbo uses the mid-size EFR ported-shroud compressor housing, with a 3.5" inlet and 2.0" outlet. It features ceramic ball bearings, giving you more responsive power and extreme durability. We recommend watercooling for this turbo.

Compressor Specifications

  • Compressor type: Forged-Milled Wheel (FMW) Extended Tip
  • Compressor wheel OD Exducer: 76mm
  • Compressor wheel Inducer: 57.2mm
  • Max flow rate: 64 lb/min
  • Built-in BOV: All EFR compressor housings incorporate an integrated compressor recirculation valve
  • Compressor inlet: 3.5″ Ported Shroud Hose Coupler
  • Compressor outlet: 2.0″ Hose Coupler w/ integrated Vband option

Turbine Specifications

  • Turbine type: Low Inertia Gamma-Ti Turbine Wheel
  • Turbine wheel OD: 70mm
  • Stainless steel turbine housing
  • Turbine outlet: GT V-Band (aka 3″ V-Band) ~92mm OD for all EFR turbo


  • Dual row ceramic ball bearings offer the 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 into the compressor housing
  • Integrated speed sensor mounting provisions
  • Optional Turbo Speed Sensor Kit
  • Optional Turbo Speed Gauge
  • The EFR 9274 is available in (4) different turbine housing configurations:
    • 0.83 A/R T3 Undivided (Internal WG) #12741008000
    • 0.92 A/R T4 Twin Scroll (Internal WG) #12741008001
    • 1.05 A/R T4 Twin Scroll (External WG) #12741019002
    • 1.45 A/R T4 Twin Scroll (External WG) #12741008003

Recommended Optional Accessories

Up your turbocharged game a little more with the following accessories:

SKU EFR-7670
Sort By Turbos
Product Name BorgWarner EFR 7670 Turbo
Weight 20.000000
Brands BorgWarner
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