The Garrett GTX4294R Drag Race turbo is purpose-built for competitors racing under class rules that cap compressor wheel size at 67mm. Engineered for teams competing in NMCA Outlaw 8.5 and similar drag racing classes, this core delivers maximum airflow within a tightly restricted wheel diameter, giving serious racers every legal advantage on the strip.
Specifications
- Compressor Wheel Inducer: 66.8mm
- Compressor Wheel Exducer: 94.0mm
- Compressor Wheel Trim: 51
- Turbine Wheel Inducer: 82.0mm
- Turbine Wheel Exducer: 75.1mm
- Turbine Wheel Trim: 84
- Bearing Type: Ball bearing
- Turbine Housing: Not included
- Garrett P/N: 800269-4
Performance & Application
This GTX4294R core is designed specifically for drag race applications that are limited to a 67mm compressor wheel by class rules, making it a go-to choice for racers competing under NMCA Outlaw 8.5 and similar regulations. The compressor housing style matches the GT42 series, and the turbine side is compatible with any GT42 series turbine housing, allowing racers to retain existing housing hardware while upgrading the core. For builders wanting more top-end capability, a GTX45 High Flow Turbine Side option is available to convert this unit into a custom configuration.
Compatibility & Fitment
- Mates to any GT42 series turbine housing
- Externally interchangeable with existing GT42 turbo setups
- Designed for classes with a 67mm compressor wheel restriction, including NMCA Outlaw 8.5
Frequently Asked Questions
- Does the GTX4294R come with a turbine housing?
- No, this turbo is sold without a turbine housing. The turbine side will mate to any GT42 series turbine housing, which must be sourced separately.
- Is the GTX4294R a ball bearing or journal bearing turbo?
- The GTX4294R is a ball bearing turbocharger.
- Why is the compressor wheel inducer limited to 66.8mm?
- This turbo is built specifically for race classes that restrict compressor wheel size to a maximum of 67mm, such as NMCA Outlaw 8.5.
- Can I upgrade the turbine side of this turbo?
- Yes, there is an option to convert this unit to a custom turbo using the GTX45 High Flow Turbine Side.
For racers boxed in by 67mm compressor wheel class rules, the GTX4294R delivers Garrett-engineered performance without sacrificing legality — a proven core built to win within the letter of the rulebook.
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