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GRT GXR50 Super Cores (Garrett Part: 953234-5010S)

If you are trying to build a serious high-horsepower drag or track car and need a turbo that can push massive airflow without choking out at the top end, running one of these GRT GXR50 Super Cores is a massive upgrade. This unit is the Garrett G-XRace GXR50-88, which features a big 88mm inducer and a 120mm exducer. It comes straight out of the box as a standalone supercore assembly (Part number: 953234-5010S), meaning you get the compressor cover and center section rotating assembly ready to mate up to your choice of exhaust housing.A lot of old-school race turbos out there take forever to spool or fall flat on their face right in the middle of your powerband. The upgraded wheel aerodynamics on the GRT GXR50 Super Cores fix that issue completely. The 88/120mm wheel setup maximizes compressor efficiency, letting you cram massive amounts of boost into your race engine without creating high intake temperatures that lead to dangerous engine knock.

Features and Benefits

 
FeatureDescription
G-XRace Compressor GeometryThe GRT GXR50 Super Core utilizes Garrett's advanced high-flow compressor wheel profile. This optimized geometry delivers noticeably quicker spool-up and improved throttle response, even with the massive 88mm compressor wheel.
Tough Center SectionFeatures a high-strength CHRA (Center Housing Rotating Assembly) engineered to remain stable under extreme shaft speeds and elevated oil pressures encountered in competitive racing environments.
Massive Horsepower CapacityBuilt specifically for motorsports applications, the 88/120mm Super Core is capable of supporting well over 1,000 horsepower when paired with the proper engine combination, fuel system, and calibration.
Pick Your Own Exhaust HousingSupplied as a standalone Super Core assembly, allowing you to select the ideal turbine housing A/R ratio and flange configuration—such as T4 or T6—to match your manifold, packaging requirements, and performance goals.
Pre-Machined Sensor PortThe compressor housing includes a dedicated provision for an electronic shaft speed sensor, enabling accurate turbo speed monitoring and data logging during dyno sessions or track passes.
 

Vehicle Fitment

Because the GRT GXR50 Super Cores system is a custom universal racing part, it will not bolt onto a stock factory manifold. It is intended for custom-fabricated turbo setups on cars like: 
CategoryDetails
Race PlatformsDesigned for custom drag racing builds, high-horsepower drift cars, and dedicated time-attack vehicles where maximum airflow and power potential are required.
Compatible Engine BuildsCommonly paired with heavily built performance engines including Toyota 2JZ, Nissan RB26 and VR38 platforms, GM LS-series V8 engines, Ford Coyote V8 combinations, and high-output built 4-cylinder race engines.
Installation NoteRequires a compatible Garrett G-Series turbine housing or a custom turbine housing specifically engineered for the GXR50 frame size to complete the turbocharger assembly.

FAQ

Does the GRT GXR50 Super Cores package include a turbine housing?
No, it does not. A supercore includes just the compressor housing, backplate, bearing system, and the wheels. This leaves it open for you to pick the exact exhaust turbine housing style and flange size that fits your specific manifold setup.
What kind of oiling setup does this 88/120mm unit need?
The GRT GXR50 Super Cores (Garrett Part: 953234-5010S) requires dedicated oil feed and drain lines to keep the high-speed bearings lubricated. Make sure you use the correct oil restrictor sizing so you don't push oil past the turbo seals.
Can I run a wheel speed sensor with this compressor housing?
Yes. The compressor cover on the GRT GXR50 Super Cores features a pre-drilled and plugged port specifically for a speed sensor, so you can track your data straight on your ECU or dash display. 

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