Garrett GTX4718R – 88mm (aka GTX47-88) with a 1.23 A/R T6 V-Band Turbine Hsg.

The Garrett GTX4718R (88mm) is the GEN2 dual ball bearing turbocharger built for enthusiasts who demand the sharpest transient response Garrett offers in this frame size. Paired here with a 1.23 A/R T6 inlet, V-band outlet turbine housing, this configuration is engineered for builders who want rapid spool without sacrificing the ability to run custom piping. It’s the choice for serious performance applications where responsiveness and flexible packaging both matter.

Specifications

• Compressor Wheel Inducer: 87.8mm
• Compressor Wheel Exducer: 117.6mm
• Compressor Wheel Trim: 56
• Compressor Housing: 0.69 A/R, 6″ Inlet, 3.5″ V-Band Outlet
• Turbine Wheel Inducer: 92.7mm
• Turbine Wheel Exducer: 84mm
• Turbine Wheel Trim: 82
• Turbine Housing: 1.23 A/R, T6 Inlet, 5″ V-Band Outlet
• Bearing System: Dual Ball Bearing

Performance & Application

This GTX4718R configuration is built for high-performance builds that prioritize quick throttle response and strong spool characteristics without giving up top-end capability. The dual ball bearing design contributes to the turbo’s reputation as the most responsive Garrett performance option in the 88mm class. The V-band compressor and turbine outlets give builders significant freedom when designing custom intake and exhaust piping layouts, making this unit well suited to tailored, high-output turbo systems.

Frequently Asked Questions

Is the GTX4718R a ball bearing or journal bearing turbo?

The GTX4718R is a dual ball bearing turbocharger.

What does GTX47-88 refer to?

GTX47-88 is an alternate name for the Garrett GTX4718R (88mm) turbocharger.

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

This turbine housing has a 1.23 A/R ratio with a T6 inlet and V-band outlet.

What outlet configuration does this turbo use?

It features V-band compressor and turbine outlets, enabling flexible custom piping configurations.

For builders who need the fastest-spooling 88mm Garrett turbo available paired with the piping flexibility of V-band connections, the GTX4718R with the 1.23 A/R T6 V-band turbine housing delivers exactly that combination.