Turbocharger, Garrett T3/T4E, Journal Bearing, 57 Trim, 2.75″ Inlet, T31 .82 A/R vband exit

The Garrett T3/T4E in 57 Trim with journal bearing construction is built for enthusiasts who want proven, no-nonsense performance from a trusted Garrett platform. This configuration pairs a responsive compressor side with a v-band discharge turbine housing, making it a strong choice for street performance and competition builds alike. Backed by Garrett engineering, it delivers dependable power gains without unnecessary complexity.

Specifications

• Turbo Family: Garrett T3/T4E
• Bearing Type: Journal Bearing
• Compressor Trim: 57 Trim
• Compressor Inlet Size: 2.75″
• Turbine Housing: T31 Stage III
• Turbine A/R Ratio: .82 A/R (Standard)
• Alternate Turbine A/R Option: .63 A/R
• Turbine Discharge: V-Band
• HP Capacity: 475 HP
• Garrett P/N: 466159-5003S

Performance & Application

This T3/T4E 57 Trim turbocharger is engineered for builds targeting up to 475 horsepower, making it well-suited for performance street applications and competition use. The journal bearing design offers proven reliability, while the 2.75″ compressor inlet and T31 turbine housing configuration support strong airflow characteristics for this power range. The v-band discharge design on the turbine housing simplifies exhaust plumbing for builders working with modern v-band setups. For those seeking a different turbine housing flow characteristic, the .63 A/R alternate option is available in place of the standard .82 A/R.

Frequently Asked Questions

What HP can this Garrett T3/T4E 57 Trim turbo support?

This turbocharger is capable of supporting up to 475 HP.

Is this a ball bearing or journal bearing turbocharger?

This turbocharger uses journal bearing construction.

What turbine A/R ratio does this turbo use?

The standard configuration uses a T31 .82 A/R turbine housing, with a .63 A/R alternate option also available.

What size is the compressor inlet?

The compressor housing features a 2.75″ inlet.

For builders who need a dependable Garrett T3/T4E turbocharger capable of supporting up to 475 HP with journal bearing durability and flexible A/R options, this 57 Trim configuration delivers exactly what serious performance and competition builds demand.