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Garrett GBC 20-300

Garrett GBC 20-300

The newest offering from Garrett Turbochargers is here! 


Available in four different sizes ranging from 200 to 350 hp, the GBC is compact, well priced and SUPER efficient! 


The 20-300 spec turbo you're looking at here is capable of punching out 300hp from a very humble 39mm billet compressor, which means it's a perfect solution for a fast-pooling turbo for your 1000, 1300 or 1500 cc engine and will still deliver plenty of flow up top for a very wide power band. 


Internally wastegated and fitted with an easily detachable actuator so that this can be swapped out with a different spec. A 0.5 bar base spring pressure is fitted from the factory and Garrett also offer upgrades to a 1.0 and 1.5 bar base spring pressure. 


  • 39mm compressor inducer | 52mm compressor exducer
  • Outline interchangeable with GBC 17 / 22
  • 170-300 horsepower capability
  • Integrated wastegate assembly with calibrated actuator
  • Billet compressor wheel with extended tip design for higher pressure ratio capability
  • GTX Gen II compressor aero with modern gasoline turbine wheel aero
  • Supports up to 300 horsepower
  • Forged Fully-Machined Compressor Wheel
  • Journal Bearing Rotating Group
  • Internally wastegated turbine housing
  • Engineered for small displacement engines including powersports, personal watercraft and automobiles



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