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The Most Powerful Small Frame Turbo On The Market

All new for 2019 is Garrett’s G30-770 (aka g3071R). A clean-slate ball bearing turbo with state of the art G series aerodynamics, this turbo is compact yet outflows all comparable products on the market.

Carrying nothing over from the old gen GT/GTX – the G-series 71mm exducer billet compressor wheel redefines what we thought was possible for a given airflow range – flowing +10 lbs/min (+22% gain) compared to the outgoing GTX3071R Gen II turbo it supercedes.  G30-770 Max turbo speed is 150krpm and max temp is 1050C/1922F.  G30-770 Compressor housings use a traditional 3″ inlet and 2″ hose outlet with fully machined Speed Sensor Port.  The Improved ported shroud inlet design offers maximum surge-resistance with huge flow rates in a compact outline.  Available in standard rotation and reverse rotation options for enthusiasts that want the perfect twin turbo installation or a single reverse rotation turbo for applications with installation restrictions.  Sold as Complete Assembly with Supercore and Turbine Housing

Compressor Specifications

  • Compressor Wheel Inducer: 58mm
  • Compressor Wheel Exducer: 71mm
  • Compressor Wheel Trim: 65
  • Compressor Wheel Material: Forged Billet Aluminum Alloy
  • Compressor Wheel A/R: 0.72 A/R
  • Max Flow Rate: 73 lb/min
  • Max Recommended Turbo Shaft Speed: 150000 RPM
  • Compressor Housing Connections:
    • Inlet: 3.0″ Hose Coupler
    • Outlet: 2.0″ Hose Coupler

Turbine Specifications

  • Turbine Wheel Inducer: 58mm
  • Turbine Wheel Exducer: 71mm
  • Turbine Wheel Trim: 84
  • Turbine Wheel Material: Mar-M
  • Turbine Wheel Max Temp: 1050C / 1922F
  • Housing Size and A/R ratio: G-Series G30-770 is available in five (2) different turbine housing configurations:
    • 0.61 A/R V-Band Single Scroll Inlet, V-Band Outlet
    • 0.83 A/R V-Band Single Scroll Inlet, V-Band Outlet

Additional information



Product Type


Turbine Housing

0.61 A/R V-Band Single Scroll Inlet, V-Band Outlet, 0.83 A/R V-Band Single Scroll Inlet, V-Band Outlet


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