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06 359 2100

EFR8374 1.05 A/R T4 Turbo

EFR8374 1.05 A/R T4 Turbo

Product Details

  • Product Code BORG-EFR8374-D
  • Manufacturer BorgWarner Turbos

EFR 8374 is engineered to support big power levels yet spool fast enough for professional time attack teams. The 74mm Gamma-Ti turbine wheel is the optimal match for the 62.6mm inducer / 83mm exducer FMW compressor wheel and is capable of 79lb/min airflow. This is one of the most exciting turbos in the EFR lineup for the high-power addicts. This turbo has the largest EFR compressor housing and is ideal for use in single turbo applications for the 500-800hp range, or as twin turbo applications up to 1300hp. Ceramic Ball Bearing only, watercooling optional (recommended)

Compressor Specifications

  • Compressor Type: Forged-Milled Wheel (FMW) Extended Tip
  • Compressor Wheel OD (exducer): 83mm
  • Compressor Wheel Inducer: 62.6mm
  • Max Flow Rate: 79 lb/min
  • Built-in BOV: All EFR compressor housings incorporate an integrated BOV.
  • Compressor Housing Connections: Inlet: 4" Ported Shroud Hose Coupler Outlet: 2.5" Hose Coupler w/ integrated Vband option

Turbine Specifications

  • Turbine Type: Low Inertia Gamma-Ti
  • Turbine Wheel Turbine Wheel OD: 74mm
  • Stainless Steel Turbine Housing - The EFR 8374 is available in 1.05 A/R T4 Twin Scroll (external WG)- Part # 179393

Features

  • 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

EFR Turbos

Clean-sheet concepts. Loaded with innovations. Engineered For Racing.

What kind of turbocharger would you build for your high-performance car? The engineers in BorgWarner’s Advanced Aftermarket Product group created a wish list of every notable design characteristic. They used materials that had never been combined into an aftermarket turbocharger. They delivered quick boost response, powerful performance and reliable durability.

The EFR (Engineered For Racing) turbochargers from BorgWarner offer an unprecedented combination of advanced technologies:

  • Low-weight Gamma-Ti turbine wheels and shaft assemblies for quick boost response
  • Patent-pending dual ceramic ball bearing cartridges for more thrust capacity, durability and turbine efficiency at low expansion ratios
  • Stainless steel turbine housing for increased efficiency, improved durability and corrosion resistance
  • Range of units supporting 225 to 1,000 horsepower per turbocharger

BorgWarner’s EFR turbochargers set new world standards in performance, convenient installation and high-tech features:

  • Ultra low-mass Gamma-Ti turbine wheels
  • Mixed-flow turbine blade design
  • Dual ceramic ball bearing cartridges
  • Aluminum bearing housing
  • Stainless steel turbine housing
  • Flexible orientation compressor cover
  • Forged milled compressor wheels
  • Integrated high-flow wastegate, boost control solenoid valve, speed sensor and compressor recirculation valve
  • Simple orientation