Turbocharger, Garrett T3/T4E, Journal Bearing, 50 Trim, 4″ Anti-surge, T31 .63 A/R vband exit

The Garrett T3/T4E Journal Bearing 50 Trim turbocharger is built for street and strip enthusiasts who want dependable mid-range boost without the premium of a ball bearing core. Its anti-surge compressor housing and V-band discharge turbine housing make it a proven combination for tuners seeking strong, repeatable power delivery. This is the turbo of choice for builders who value reliability and a well-matched compressor-to-turbine pairing over exotic upgrades.

Specifications

• Bearing Type: Journal Bearing
• Compressor Trim: 50 Trim
• Compressor Housing: 4″ Anti-surge
• Turbine Housing: T31 .63 A/R, Stage III V-band discharge
• HP Capacity: 450 HP
• Garrett P/N: 466159-5011
• Optional Housing Style: 2.75″ compressor housing inlet diameter

Performance & Application

Built around the Garrett T3/T4E platform, this turbocharger is designed for enthusiasts building street and strip setups that demand consistent, controllable boost. The 50 trim compressor paired with the T31 .63 A/R turbine housing delivers a responsive, mid-range-focused power curve suited to daily-driven performance cars and weekend track use. The anti-surge compressor housing improves stability at the edges of the compressor map, while the V-band discharge turbine housing simplifies exhaust-side plumbing for custom builds. Rated to 450 HP, it strikes a reliable balance between spool characteristics and top-end capability for builders who don’t need extreme peak power.

Frequently Asked Questions

What HP can this Garrett T3/T4E turbocharger support?

This turbocharger is rated to support up to 450 HP.

Is this a ball bearing or journal bearing turbo?

This is a journal bearing turbocharger.

What turbine housing and A/R ratio does this turbo use?

It uses a T31 .63 A/R turbine housing with a Stage III V-band discharge exit.

Is there an optional compressor housing inlet available?

Yes, an optional 2.75″ compressor housing inlet diameter is available.

For builders seeking a proven, cost-effective journal bearing turbo with dependable mid-range power delivery, this Garrett T3/T4E 50 Trim combination delivers exactly what a serious street and strip build requires.