Garrett GBC17-250 Turbocharger

675,00 765,00 

Notice: Rotation is clockwise!

Compressor facts:
Inlet: 36,00 mm
Outlet: 49.00 mm
Trim: 55
A/R value: 0.52
Flow: 25 lbs/min

Turbine facts:
Flange inlet: T25
Flange outlet: 5-bolt GT25 / GT28
Inlet: 44.00 mm
Outlet: 40.00 mm
Trim: 84
A/R value: 0,50
Wastegate: Internal
Actuator: 0,5 Bar

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Note: GBC turbochargers use an M6 thread for mounting an oil return flange. In most cases, however, all oil return flanges have 9 mm slotted holes. This leads to too much play during installation. When installing the oil return flange, please ensure that it is centered, otherwise a smooth oil return cannot be guaranteed. It is best to fit the flange in the removed state before installing the turbocharger.

Garrett now launches a new line of turbochargers that are close to the BorgWarner AirWerks S1BG turbochargers – the GBC series. Garrett Boost Club Line turbochargers are engineered for small engine displacements including powersports, personal watercraft, and automobiles. These turbochargers feature internally wastegated turbine housings and journal bearing rotating groups. Forged, fully-machined compressor wheels can support from 200 up to 350 horsepower for engine displacements ranging from 0.4L up to 2.5L.

Club Line is a product engineered for small engine displacements. This includes powersports, personal watercraft, and automobiles. These turbochargers feature internally wastegated turbine housings, 0,5 bar actuator (optional available 480009-0006 = 1.0 bar, 480009-0010 = 1.5 bar) and journal bearing rotating groups. GBC stands for GARRETT BOOST | CLUB LINE.

The first two numbers indicate the turbo frame size. The larger the number the larger the turbine wheel. The numbers following the dash indicate the peak potential flywheel horsepower rating. There are 4 Club Line turbochargers with different compressor inducer sizes and horsepower ranges: GBC14-200, GBC17-250, GBC20-300, and GBC22-350. GBC17, 20, 22 are outline interchangeable for use as stage upgrades.

Forged, fully-machined compressor wheels are offered in inducer sizes of 34mm, 36mm, 39mm, and 44mm. They can support from 200 up to 350 horsepower. The oil cooled center housing features the latest generation of journal bearing rotor group. Club Line turbochargers are fully assembled with an internally wastegated turbine housing. Garrett’s technicians calibrate the actuator for optimum performance, eliminating any need for adjustment.

The special features are:

  • 36mm compressor inducer
  • Forged fully-machined compressor wheel
  • GTX Gen II compressor aero with modern gasoline turbine wheel aero
  • Supports up to 250 horsepower
  • Latest generation of journal bearing rotor group
  • Internally wastegated turbine housing
  • Ductile iron (SiMo+) turbine housing material
  • Inconel turbine wheel material
  • 360-degree thrust bearing
  • Oil-cooled center housing
  • Boost signal port with installed plug
  • Engineered for small displacement engines including powersports, personal watercraft and automobiles


Flange - A/R - HP

3-bolt – 0.45ar – 200 HP, T25 – 0.50ar – 250 HP, T25 – 0.55ar – 300 HP, T25 – 0.64ar – 350 HP