The Garrett G42-1450 Turbo Assembly Kit is built for enthusiasts pushing serious horsepower who demand a turbocharger engineered for extreme performance builds. This T4 divided configuration delivers the response and top-end capability required for high-output applications where reliability under boost is non-negotiable. It’s the choice for builders who need a turbo that can handle the upper limits of power without compromise.
Specifications
- Compressor Wheel Inducer: 79mm
- Compressor Wheel Exducer: 98mm
- Compressor Wheel Trim: 65
- Compressor Housing A/R: 0.85
- Turbine Wheel Inducer: 82mm
- Turbine Wheel Exducer: 75mm
- Turbine Wheel Trim: 84
- Turbine Housing A/R: 1.15
- Turbine Housing Flange: T4 Divided
- Bearing Type: Ball Bearing
- HP Capacity: 1450HP
- Garrett P/N: 879779-5017S
Performance & Application
The G42-1450 is designed for extreme performance builds demanding maximum output potential. Its ball bearing construction supports the quick response and durability necessary for high-boost, high-horsepower applications. The T4 divided turbine housing configuration is suited to setups where exhaust pulse separation matters for optimal turbine efficiency. This kit is built for enthusiasts targeting the top end of the power spectrum without sacrificing turbo integrity.
Frequently Asked Questions
- What HP can the G42-1450 support?
- The Garrett G42-1450 is capable of supporting up to 1450HP.
- Is this a ball bearing or journal bearing turbo?
- The G42-1450 features ball bearing construction, enabling peak performance on extreme builds.
- What is the turbine housing A/R and flange type?
- This kit uses a 1.15 A/R T4 divided turbine housing.
- What is the compressor housing A/R ratio?
- The compressor housing A/R ratio is 0.85.
For builders targeting extreme horsepower with proven Garrett engineering, the G42-1450 Turbo Assembly Kit delivers the capacity and construction needed to get there.

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