The Garrett G42-1200 Turbo Assembly Kit is engineered for serious high-horsepower builds that demand both strong response and massive top-end capability. This configuration pairs a V-band inlet/outlet turbine housing for streamlined, flexible integration into custom exhaust and manifold setups. It’s the choice for enthusiasts and builders who need a turbocharger capable of supporting serious power without compromising on housing versatility.

Specifications

• Compressor Wheel Inducer: 73mm
• Compressor Wheel Exducer: 91mm
• 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: 1.28
• Turbine Housing Flange: V-band inlet/outlet
• Bearing System: Oil-cooled ball bearing center
• HP Capability: 1200HP
• Garrett P/N: 879779-5009S

Performance & Application

Built around the G42 series compressor and turbine wheel architecture, this turbo assembly is designed for builds targeting serious horsepower levels. The oil-cooled ball bearing center delivers quick spool characteristics while supporting sustained high-load operation. The V-band inlet/outlet turbine housing configuration gives builders greater flexibility when designing custom exhaust manifolds and downpipe setups. This kit is well suited for high-output performance applications where both strong response and top-end power capability are required.

Frequently Asked Questions

What HP can the G42-1200 support?

The Garrett G42-1200 is capable of supporting up to 1200HP.

Is this a ball bearing or journal bearing turbo?

The G42-1200 features an oil-cooled ball bearing center.

What is the A/R ratio on this turbo?

The compressor housing has a 0.85 A/R, while the turbine housing has a 1.28 A/R.

What turbine housing flange type does this use?

This configuration uses a V-band inlet/outlet turbine housing.

For builders chasing serious horsepower with the flexibility of a V-band turbine housing, the Garrett G42-1200 Turbo Assembly Kit delivers the proven wheel design and bearing technology to get there.