EFR 6255 - 179149, 200 - 350 HP Turbo

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EFR 6255 - 179149, 200 - 350 HP Turbo EFR 6255 - 179149, 200 - 350 HP Turbo

Turbo Features

  • Gamma-Ti Turbine Wheel
  • Dual Ball Bearing Assy with Metal Cage
  • Forged Milled Extended Tip Compressor Wheel
  • Stainless Steel Turbine Housing
  • Water Cooled Bearing Housing
  • Large Internal Wastegate (where applicable)
  • Compressor Recirculation Valve (a.k.a BOV)
  • Boost Control Solenoid Valve
  • Standard T25 Mounting Flange

Not included with turbo assemblies:

  • Speed sensor
  • Turbine outlet V-Band
  • Turbine inlet gasket
  • Oil drain gasket or drain port fitting

Compressor Map


Housing Options
Turbine Housing Options

Turbine Housing Part Number
A/R  Inlet Flange Shape Housing Config.
11581009007 0.64 T25 Single Scroll WG


Turbo Part Number Turbo Frame Size Super Core Part Number Comp. Wheel Outer Dia. (in) Comp. Wheel Inducer Dia. (in) Comp. Wheel Outer Dia. (mm) Comp. Wheel Inducer Dia. (mm) Turbine Wheel Outer Dia. Turbo A/R Inlet Flange Config
179149 B1 179139 2.42 1.95 61.4 49.6 55.0 .64 T25

Turbo Frame Dimensions


Super Core Configuration

The following parts are not included as part of the super-core assembly: turbine housing, assembly, clamp plate hardware, wastegate parts.


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