Garrett G Series G25-660 Reverse Rotation Turbo (2024)

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Garrett G25-660 REVERSE ROTATION Dual Ball Bearing Turbo (G2567RR)The Most Powerful Small Frame Turbo On The MarketThe Reverse Rotation G25-660 is smaller and outflows all comparable products on the market. New compressor and turbine aero combined with exotic high temperature alloys allowed engineers to push the limits of small frame turbocharger performance. Carrying nothing over from the old gen GT/GTX - the G-series 67mm exducer billet compressor wheel redefines what we thought was possible for a given airflow range - flowing +12 lbs/min (+24.5% gain) compared to the outgoing GTX2867R Gen II turbo it supercedes. An exact mirror of a standard rotation G25-660, this configuration improves fitment in single and twin turbo installs. Garrett's all new G2567R is a clean-slate ball bearing turbo with state of the art aerodynamics. Max turbo speed is 165krpm and max temp is 1050C/1922F. G25 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 SpecificationsCompressor Wheel Exducer: 67mmCompressor Wheel Inducer: 54mmCompressor Wheel Trim: 65Compressor Wheel Material: Counter Clockwise, Forged Billet Aluminum AlloyCompressor Wheel A/R:0.70 A/RMax Flow Rate: 61 lb/minMax Recommended Turbo Shaft Speed: 165000 RPMCompressor Housing Connections:Inlet: 3.0″ Hose CouplerOutlet: 2.0″ Hose CouplerG25-660 67mm Compressor MapTurbine SpecificationsTurbine Wheel Exducer: 49mmTurbine Wheel Inducer: 54mmTurbine Wheel Trim: 84Turbine Wheel Material: Mar-M Turbine Wheel Max Temp: 1050C / 1922FHousing Size and A/R ratio: G-Series G25-660 is available in five (5) different turbine housing configurations:0.49 A/R T25 Single Scroll Inlet, V-Band Outlet w/ Internal Wastegate0.72 A/R V-Band Single Scroll Inlet, V-Band Outlet *INSTOCK NOW*0.92 A/R V-Band Single Scroll Inlet, V-Band Outlet0.72 A/R V-Band Single Scroll Inlet, V-Band Outlet w/ Internal Wastegate0.92 A/R V-Band Single Scroll Inlet, V-Band Outlet w/ Internal WastegateUnderstanding the Name: A new name designates a new generation of industry leading technology and innovation. G25-660 "G" designates 81 years of Garrett® Turbo heritage. "25" classifies the frame size. The remaining 3 digits identify the "max horsepower" rating at the flywheel of the turbocharger. (ie 660)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. The CFD (computational fluid dynamics) engineered compressor wheel increases air flow up to 15% for 60mm with 79-80% efficiency. (Compared to GTX GenII)Dual Ball Bearing CHRA - Standard and Reverse Rotation All G-series turbos utilize a vband turbine housing to CHRA connection. This improves ease of installation, clocking and servicing the turbo. Each turbocharger includes (1) -4AN oil restrictor fitting with a 1mm restriction orifice to provide the turbo with the recommended 40psi of oil pressure. Four large water jacket ports increase cooling capacity and allow enthusiasts to customize water line routing to help improve the installation process. The turbocharger comes with two -6AN water fittings and two plugs. *Recommended to install waterlines on opposite sides of the housing.*G-Series Turbine Wheel and Housing The G-series turbine wheels feature all new aerodynamics to improve flow and boost response. The industry leading design is made of Mar-M super alloy and is capable of handling exhaust gas temperatures up to 1050 degrees C. The new G25 turbine wheel flows 15-20% more than GTX and has peak efficiency of 74%.Turbo Speed SensorAbout Garrett® G-Series Series TurbochargersGarrett® G-Series turbochargers are designed specifically for the hard-core enthusiast who wants optimal performance. The forged fully-machined billet aluminum compressor wheels feature next generation aerodynamics that provide a larger horsepower range and maximize boost response. Ported shroud compressor housings increase surge resistance and provide reliable, continuous power throughout the power band. A dual ceramic ball bearing cartridge prolongs the lifespan and improves shaft balance. The water cooled CHRA keeps housing temperatures to a minimum. The turbine wheel is constructed from Inconel, a Super Alloy that maintains strength during prolonged exposure to high exhaust gas temperatures.

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