Garrett Turbine housing Kit, G Series G40, .95 A/R, T4 divided entry, v-band exit, P/N: 757707-0033

Garrett’s G40 turbine housing kit is engineered for serious builders who demand precise, efficient exhaust energy management on their G-Series II turbocharger setup. Designed around a divided T4 inlet and v-band exit, this housing kit gives tuners a complete, bolt-on solution for maximizing turbine response without sacrificing flow. It’s the choice for enthusiasts building a G40-based turbo system who want factory-matched Garrett components paired with quality installation hardware.

Specifications

• A/R Ratio: .95
• Turbine Inlet Configuration: T4 divided entry
• Turbine Outlet Configuration: V-band exit
• Garrett P/N: 757707-0033
• T4 Turbine Inlet Flange: Divided, Stainless — ATP-FLS-057 (Mild steel option available)
• Gasket, T4 (T04) Turbine Inlet — Divided: ATP-GSK-014
• V-Band Outlet Flange (for Downpipe): ATP-FLS-378
• V-Band Outlet Clamp: CLC-CLA-294

Performance & Application

This turbine housing kit is built for the Garrett G-Series II G40 turbocharger platform, giving performance builders a dedicated housing option engineered for responsive mid-range boost delivery. The divided T4 inlet design helps maintain exhaust pulse separation for improved turbine efficiency, while the v-band exit streamlines downpipe integration and simplifies exhaust system fabrication. This configuration suits enthusiasts and shops building high-performance G40 turbo systems who need efficient exhaust flow without compromising installation quality.

What’s Included

• T4 Turbine Inlet Flange, Divided, Stainless: ATP-FLS-057 (Mild steel option)
• Gasket, T4 (T04) Turbine Inlet – DIVIDED: ATP-GSK-014
• V-Band Outlet Flange (for Downpipe): ATP-FLS-378
• V-Band Outlet Clamp: CLC-CLA-294

Frequently Asked Questions

What is the A/R ratio of this G40 turbine housing?

This turbine housing kit uses a .95 A/R ratio.

What type of turbine inlet does this housing use?

It features a T4 divided entry design.

What kind of outlet does this turbine housing have?

It uses a v-band exit configuration.

Is there an alternate material option for the turbine inlet flange?

Yes, the included stainless T4 divided turbine inlet flange (ATP-FLS-057) is also available in a mild steel option.

For builders running the Garrett G-Series II G40, this turbine housing kit delivers the exact divided T4, v-band exit configuration needed for a precise, efficient, bolt-on turbo installation.

Downloads

• Garrett Performance G Series G40 Sell Sheet