This Garrett turbine housing is built for enthusiasts running a GT2554R or GT2560R turbocharger who need a direct-fit, internal wastegate housing with a standard T25 inlet flange. It’s the correct replacement or upgrade housing for these GT25 series turbos, delivering the exact flow characteristics these platforms were engineered around. Backed by genuine Garrett part numbering, it’s a reliable choice for builders who won’t compromise on fitment.

Specifications

• A/R Ratio: .64
• Inlet Flange: Standard T25
• Discharge Outlet: 5-bolt
• Wastegate Type: Internal
• Garrett P/N: 430609-XXXX

Performance & Application

This turbine housing is designed specifically for GT25 series turbochargers, including the GT2554R and GT2560R models. The .64 A/R ratio and internal wastegate configuration make it suited for builders seeking a proven, OEM-spec housing for these turbo platforms. The 5-bolt discharge outlet is engineered for optimized spool characteristics, making this housing a strong fit for enthusiasts prioritizing responsive turbo behavior on GT25-based setups.

Compatibility & Fitment

• Garrett GT2554R turbocharger
• Garrett GT2560R turbocharger

Frequently Asked Questions

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

This turbine housing has a .64 A/R ratio.

What inlet flange does this turbine housing use?

It uses a standard T25 inlet flange.

Which Garrett turbo models is this turbine housing compatible with?

This turbine housing is compatible with the GT2554R and GT2560R turbo models.

Does this housing include a wastegate?

Yes, it features an internal wastegate.

For GT2554R and GT2560R builds demanding correct T25 fitment and proven .64 A/R flow characteristics, this genuine Garrett turbine housing is the right call.