Housing, Turbine, Garrett BB GTW38, T4 UNDIV .68 A/R, 3″ V-BAND EXIT

Engineered for builders who demand precise, repeatable turbine housing performance, this Garrett GTW38 ball bearing turbine housing is built for serious forced-induction applications that require a T4 undivided inlet and a quick-disconnect V-band exit. It’s the right choice for enthusiasts running GTW38-based ball bearing turbochargers who want a housing configuration optimized for downpipe flow and simplified installation. This housing comes ready to bolt into high-performance turbo systems without compromise.

Specifications

• Turbocharger Frame: Garrett GTW38
• Bearing Type: Ball Bearing (BB)
• Turbine Inlet Configuration: T4 Undivided
• A/R Ratio: .68
• Turbine Outlet: 3″ V-Band Exit

Performance & Application

This turbine housing is designed for use with Garrett GTW38 ball bearing turbochargers in applications built around a T4 undivided turbine inlet. The .68 A/R sizing paired with the ball bearing GTW38 core is suited to builds seeking a balance of exhaust housing flow characteristics matched to a T4 undivided setup. The 3″ V-band exit configuration is intended for downpipe-side applications requiring a quick-disconnect coupling. This housing is a fit for enthusiasts assembling or upgrading GTW38 turbocharger systems who require this specific inlet and outlet configuration.

What’s Included

• Flange and Clamp Set, V-Band Outlet (down-pipe side) — Product Code: ATP-FLS-052

Frequently Asked Questions

What A/R ratio does this GTW38 turbine housing use?

This turbine housing uses a .68 A/R ratio.

Is this a ball bearing