Garrett Motion G-Series G55-2250 Turbocharger

$5,156.20

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Features

• Supports up to 2250 horsepower
• 94mm compressor inducer | 133mm compressor exducer
• 112mm turbine inducer | 106mm turbine exducer
• 15% more turbine flow (compared to GTX) see graph below
• One-piece aluminum center housing
• 16mm ceramic dual ball bearing cartridge
• Outline interchangeable with GTX Gen II turbos
• Stainless Steel turbine kit sold individually.
• T6 Inlet: 1.00 A/R, 1.12 A/R, 1.24 A/R, 1.40 A/R
• V-Band Inlet: 1.24 A/R, 1.40 A/R

WARNING: Maximum allowable turbocharger speed is 84krpm. The use of this product above max turbocharger speed is at the owner’s risk, and can result in damage and premature failure. To protect the turbocharger from overspeed when operating, a speed sensor can be installed into the compressor housing to monitor shaft speed. Sensors sold separately.

Performance results of this product are highly dependent upon your vehicle’s modifications and tuning/calibration. The horsepower numbers represented above are calculated based strictly on choke flow of the compressor map (total turbo capability), which represents the potential flywheel horsepower.

G Series G55 Compressor Turbine
Supercore PN Model Inducer Exducer Trim A/R Inducer Exducer Trim
880547-5001S G55-1850 85mm 133mm 41 0.88 112 106 90
880547-5002S G55-1950 88mm 133mm 44 0.88 112 106 90
880547-5003S G55-2100 91mm 133mm 47 0.96 112 106 90
880547-5004S G55-2250 94mm 133mm 50 0.96 112 106 90
880547-5005S G55-2450 98mm 133mm 54 0.96 112 106 90
880547-5021S G55-2650 102mm 144mm 54 0.96 112 106 90
880547-5022S G55-2900 106mm 144mm 54 0.96 112 106 90

Compressor Map & Exhaust Flow Chart

The latest Garrett technologies featuring many advanced features.

COMPRESSOR MAP

EXHAUST FLOW CHART

G Series: A Turn Ahead Of The Competition

G Series G55 turbochargers feature the latest innovations in turbocharger technology. Advanced compressor and turbine aero offer a range of high horsepower performance boosting solutions for 3.0L – 12.0L engine platforms. 85mm, 88mm, 91mm, 94mm, 98mm, 102mm, 106mm compressor inducer sizes produce up to 2900 horsepower for today’s top drag race teams.

Turbine Stage:

The newly engineered turbine wheel with optimized G Series aerodynamics increases flow up to 15% (Compared to GTX Gen II, see graph below). The large 90 trim turbine stage measures 112mm at the inducer and 106mm at the exducer. G55 is offered with stainless steel turbine housings in:
V-Band Inlet: 1.24 A/R, 1.40 A/R
T6 Inlet: 1.00 A/R, 1.12 A/R, and 1.24 A/R, 1.40 A/R

Part Numbers

  • 1.24 A/R: 761208-0069 (V-band inlet & Outlet)
  • 1.40 A/R: 761208-0070 (V-band inlet & Outlet)
  • 1.00 A/R: 761208-0071 (T6 inlet & V-Band Outlet)
  • 1.12 A/R: 761208-0072 (T6 inlet & V-Band Outlet)
  • 1.24 A/R: 761208-0073 (T6 inlet & V-Band Outlet)
  • 1.40 A/R: 761208-0074 (T6 inlet & V-Band Outlet)

Center Housing:

One-piece aluminum center housing reduces supercore weight. The center housing is air cooled, features a 16mm ceramic dual ball bearing for premium rotor dynamics, and retains the oil inlet and outlet specifications from previous GTX designs.

Compressor Stage:

Garrett G55 compressor stages are offered in 85m, 88mm, 91mm, 94mm, 98mm, 102mm, and 106mm inducer sizes each with their own horsepower ratings indicated in the model name.

Turbine Housings:

Stainless steel turbine housings in T6 and V-Band inlet and V-band outlet

Short outlet (SFI certified not available)

 

V-band inlet: 4.25 inch (108mm) (same as GTX55)

V-band outlet: 5.15 inch (131mm) (same as GTX55)

Ceramic Dual Ball Bearing

An oil restrictor is recommended for optimal performance with ball bearing turbochargers. G55 turbochargers utilize a massive 16mm dual ball bearing cartridge with steel cages. An oil pressure of 40 – 45 psi at maximum engine speed is recommended to prevent damage to the turbocharger’s internals. In order to achieve this pressure, a restrictor with a 0.040” orifice will normally suffice, but you should always verify the oil pressure entering the turbo after the restrictor in insure that the components are functioning properly. Recommended oil feed is -3AN or -4AN line or hose/tubing with a similar ID. As always, use an oil filter that meets or exceeds the OEM specifications.

 

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Brand

Garrett Motion

Garrett technologies and innovations have been used by nearly every major global automaker, resulting in approximately 100 million vehicles with our products and an average launch rate of 100 new applications annually spanning gas, diesel, natural gas, electric and fuel cell powertrains.

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Function Factory Performance - California HQ
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