Garrett GTX4718R – 88mm (aka GTX47-88) with a 1.39 A/R T6 V-Band Turbine Hsg.

The Garrett GTX4718R (88mm) is the GEN2 evolution of Garrett’s proven GTX-R ball bearing platform, purpose-built for enthusiasts who demand class-leading response without sacrificing top-end capability. This dual ball bearing turbocharger is engineered for serious performance builds where spool characteristics and boost control are non-negotiable. It stands as one of the most responsive Garrett performance turbos in the 88mm class.

Specifications

• Bearing Type: Dual Ball Bearing
• Compressor Wheel Inducer: 87.8mm
• Compressor Wheel Exducer: 117.6mm
• Compressor Wheel Trim: 56
• Compressor Housing A/R: 0.69
• Compressor Housing Inlet: 6″
• Compressor Housing Outlet: 3.5″ V-Band
• Turbine Wheel Inducer: 92.7mm
• Turbine Wheel Exducer: 84mm
• Turbine Wheel Trim: 82
• Turbine Housing A/R: 1.39
• Turbine Housing Inlet: T6
• Turbine Housing Outlet: 5″ V-Band
• Garrett P/N: GTX4718R
• Also Known As: GTX47-88

Performance & Application

The GTX4718R is built for high-performance applications where quick spool and responsive power delivery are critical. Its V-Band inlet and outlet configuration on both the compressor and turbine housings allows for maximum boost control and quick spool characteristics. This turbo is designed for enthusiasts pushing the limits of the 88mm compressor wheel class who need the responsiveness of the GEN2 GTX-R platform.

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 turbine housing A/R ratio?

The GTX4718R comes with a 1.39 A/R T6 inlet turbine housing with a V-Band outlet.

What outlet configuration does the GTX4718R use?

The turbine housing features a 5″ V-Band outlet, and the compressor housing features a 3.5″ V-Band outlet, providing a full V-Band inlet/outlet configuration for maximum boost control.

For builders who require the fastest-spooling 88mm turbo in the Garrett GTX-R lineup, the GTX4718R delivers GEN2 ball bearing responsiveness backed by a V-Band housing configuration built for precision boost control.