Turbine housing Kit, Garrett G Series G45, 1.28 A/R, v-band entry, v-band exit, P/N: 757707-0021

The Garrett G45 turbine housing kit is engineered for enthusiasts and builders demanding precise control over turbine housing sizing without compromising on flange versatility. This v-band inlet and outlet configuration is built for those who want quick-change capability and streamlined installation on high-performance G45 turbocharger builds. It’s the choice for serious builders who need a turbine housing matched to aggressive boost strategies and broad-powerband performance.

Specifications

• Turbine Housing A/R Ratio: 1.28
• Turbine Inlet Flange: V-band
• Turbine Outlet Flange: V-band
• Bearing Type: Ball-bearing
• Garrett P/N: 757707-0021

Performance & Application

This turbine housing kit is designed for the Garrett G45 platform, delivering optimal spool characteristics across broad RPM ranges on high-boost applications. The v-band entry and exit design supports quick-change versatility, making it well suited for builders who value fast turbo swaps and serviceability. This housing is built for applications demanding strong response through a wide operating range rather than a narrow, single-purpose power curve.

Frequently Asked Questions

What is the A/R ratio of this G45 turbine housing?

This turbine housing kit features a 1.28 A/R ratio.

What type of flanges does this turbine housing use?

It uses a v-band inlet and a v-band outlet, offering quick-change versatility.

Is this a ball bearing turbine housing?

Yes, this is a ball-bearing G45 turbine housing.

What kind of powerband is this turbine housing designed for?

It delivers optimal spool characteristics across broad RPM ranges on high-boost applications.

For builders running the Garrett G45 platform who demand quick-change flexibility and strong performance across a wide RPM range, this 1.28 A/R v-band turbine housing kit is the precise, purpose-built solution.