VB89 V-band Entry Undivided Turbine Housing, GT4088R, GT4094R, GTX4088R, A/R .89 4″ vb outlet

Engineered for builders who demand precise flow control and quick-spool efficiency, this Garrett cast undivided turbine housing is purpose-built for the GT4088R, GT4094R, and GTX4088R turbocharger platforms. It’s the ideal choice for high-boost applications where a V-band entry and outlet design simplifies installation while maintaining Garrett’s engineering standards. This housing gives serious performance builders a reliable, bolt-compatible upgrade path for turbo manifold and downpipe integration.

Specifications

• Housing Type: Undivided
• Housing Entry: V-Band
• Material: Garrett Cast
• A/R Ratio: .89
• Outlet Size: 4″ V-Band
• V-Band Inlet Flange (for Turbo Manifold): ATP-FLS-379
• V-Band Inlet Clamp: CLC-CLA-291
• V-Band Outlet Flange (for Downpipe): ATP-FLS-380
• V-Band Outlet Clamp: CLC-CLA-292

Performance & Application

This turbine housing is designed specifically for use with the GT4088R, GT4094R, and GTX4088R turbochargers, making it a direct fit for enthusiasts already running or building around these platforms. The undivided V-band entry design streamlines exhaust gas flow into the turbine wheel, supporting quick-spool response in high-boost setups. Its V-band outlet configuration simplifies downpipe connection and removal, a key advantage for builders who need efficient serviceability without sacrificing performance. This housing is suited for high-boost applications where flow efficiency and ease of installation are priorities.

Compatibility & Fitment

• Compatible with Garrett GT4088R turbocharger
• Compatible with Garrett GT4094R turbocharger
• Compatible with Garrett GTX4088R turbocharger
• V-Band flanges and clamps compatible with G42 V-Band Housing

Frequently Asked Questions

What A/R ratio does this turbine housing have?

This housing is available in A/R .89 only.

Which turbochargers is this housing compatible with?

It is compatible with the GT4088R, GT4094R, and GTX4088R turbochargers.

Is this a divided or undivided turbine housing?

This is a Garrett cast undivided turbine housing.

What flanges and clamps are needed for installation?

The V-Band Inlet Flange for the turbo manifold is ATP-FLS-379 with V-Band Inlet Clamp CLC-CLA-291, and the V-Band Outlet Flange for the downpipe is ATP-FLS-380 with V-Band Outlet Clamp CLC-CLA-292. These flanges and clamps are also compatible with the G42 V-Band Housing.

For builders running the GT4088R, GT4094R, or GTX4088R platform, this A/R .89 undivided V-band turbine housing delivers the exact flow characteristics and installation compatibility needed for a