The Garrett GT2876R ball bearing turbocharger is a proven performer for high-revving four-cylinder platforms where quick spool and strong top-end power are both non-negotiable. Built around Garrett’s dual ball bearing center section, this unit is engineered for enthusiasts who demand fast transient response without sacrificing serious horsepower headroom. It’s a go-to upgrade for Nissan SR20DET builds looking to move well beyond factory turbo limitations.

Specifications

• Bearing Type: Dual Ball Bearing
• Compressor Wheel: 76mm w/ 48 trim
• Compressor Housing A/R: .70 a/r
• Compressor Housing Style: Large 60-1 style
• Compressor Inlet: 4.00″
• Compressor Outlet: 2.50″
• Turbine Wheel: 53.9mm w/ 76 trim
• Turbine Housing A/R: .64 a/r, .86 a/r
• Turbine Inlet Flange: T25 style inlet flange
• Turbine Exit: 5-bolt style exit
• HP Capacity: ~450HP
• Garrett P/N: 705330-5001S
• Alternate P/N: 705330-5002S, 705330-0001, 705330-0002, 705330-1, 705330-2
• Also Known As: GT25/40R

Performance & Application

Designed for 4-cylinder applications, the GT2876R delivers very good response thanks to its dual ball bearing core and compact turbine wheel. Its compressor and turbine combination is matched for builds targeting up to approximately 450 horsepower, making it well suited for enthusiasts pushing well past stock turbo output while still wanting a turbo that spools quickly. The T25 style inlet flange and 5-bolt exit make it a natural fit for common turbine housing configurations on 4-cylinder engines. This is a turbo built for drivers who want a responsive, high-flowing upgrade without moving into large frame territory.

Compatibility & Fitment

• Nissan SR20DET

Frequently Asked Questions

What HP can the GT2876R support?

This turbo has a flow capacity of about 450HP.

Is this a ball bearing or journal bearing turbo?

The GT2876R is built with a dual ball bearing center section.

What compressor inlet and turbine flange does this use?

It features a T25 style inlet flange with a 5-bolt style exit, paired with a large 60-1 style compressor housing that has a 4.00″ inlet and 2.50″ outlet.

What does GT25/40R refer to?

GT25/40R is an alternate name for the Garrett GT2876R turbocharger.

For SR20DET owners chasing rapid spool and a solid 450hp ceiling in a compact, well-proven ball bearing package, the Garrett GT2876R (GT25/40R) delivers exactly that.