Garrett Turbo G Series G25-660 Reverse Rotation 54mm Ball Bearing V-Band 0.72 A/R 350-660HP

SKU
871390-5010S
$2,305.97
Discontinued

The manufacturer has stopped production of this item. We have none left, and cannot get more. But we can help you find a comparable alternative that is available.

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Description


Non-Wastegated Configuration: Reverse Rotation

Note : Externally wastegated options include super core and turbine housing in separate boxes. Assembly required.

The most powerful small frame turbocharger on the market

The G-Series G25-660 turbochargers are compatible with 1.4L - 3.0L engine displacements and capable of producing up to 660 horsepower. G Series 25 turbochargers are smaller and outflow all comparable products on the market.

New compressor and turbine aero combined with high temperature resistant materials allowed engineers to push the limits of performance.


A new name designates a new generation of industry leading technology and innovation.


Understanding the Name:

G25-660

G designates 81 years of Garrett® heritage.

25 classifies the size of the frame. The remaining 3 digits identify the max horsepower rating of the turbocharger. (ie 660)



Compressor Aero


Forged fully-machined compressor wheel and new aerodynamics increase maximum horsepower output and boost response. The CFD (computational fluid dynamics) engineered compressor wheel increases air flow up to 15% for 60mm and 30% for 67mm with 79-80% efficiency. (Compared to GTX GenII)

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 compressor housing features a fully machined ported shroud to help reduce compressor surge. A fully machined speed sensor port provides enthusiasts the option to add the new G Series speed sensor to measure turbocharger shaft speed, a key factor in determining ideal operating conditions.


The new speed sensor is easy to install and does not need to be adjusted for length like previous sensors. Simply remove and plug, then insert the speed sensor and tighten the bolt. The new speed sensor is sold separately and is not compatible with GT and GTX sensors due to the new design and sizing.


The addition of an o-ring between the compressor housing and backplate reduces the possibility of boost pressure leakage.



Center Housing


A new one-piece center housing and backplate increase durability and product safety by reducing the number of failure points associated with the turbocharger. The center housing to turbine housing v-band connection allows for 360 degree orientation when installing with Garrett® non-wastegated turbine housings.



Water Jackets


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.



Oil Passage


A single stage oil passage directs pressurized oil to the new oil cavity ensuring proper bearing lubrication at both sides of the cartridge.

Each turbocharger includes (1) -4AN oil restrictor fitting with a 1mm orifice to provide the turbo with the recommended 40psi of oil pressure.



Rotating Group- twin piston rings


A shorter bearing cartridge allows us to incorporate twin piston rings on both sides of the shaft wheel assembly. This will reduce the likeliness of oil leakage at the seals from the center housing to the compressor and or turbine stage.



Turbine Wheel Aero


The turbine wheel features all new aerodynamics to improve flow and boost response. The new turbine wheel is made of Mar-M super alloy and is capable of handling exhaust gas temperatures up to 1050 degrees C.
The new turbine wheel flows 15-20% more than GTX and has peak efficiency of 74%.



Turbine Housings


All G Series Turbine housings are made from stainless steel to provide ultimate durability and temperature resistance up 1050 degrees C.

Specifications

More Information
Vendor Name Code Part Number 871390-5010S
Barcode 871390-5010S
Shipping Weight (Dimensional) 20.350000
Clearance Sale No
Availability Discontinued
Part Type Turbochargers
Make Universal
Model Universal
Engine Universal
Brand Garrett
Name G25-660 Reverse Rotation
Compressor Wheel Material Billet
Compressor Wheel Inducer 54mm
Turbo Horsepower Range 250hp - 500hp, 500hp - 750hp
Center Cartridge Ball Bearing
Exhaust Housing Inlet V-Band Stainless
Exhaust Housing Material Stainless Steel
Compressor Housings 3.0" / 2.0"
Exhaust Wheel Exducer 49mm
Exhaust Housing Outlet V-Band Stainless
Exhaust Housing AR .72
Carb Legal Unspecified

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