HKS GTIII-4R Turbine External WG A/R (.81 or 1.0)

【Variable Ported Shroud】
※Ported shroud functions depending on the bolt's position.
※When surge occurs due to the vehicle specification,ported shroud is able to prevent surging.
 
【Features】
A successor model of TO4Z. Compact in size, but withstandable over 700PS.
Highly reliable MHI high performance CHRA & highly durable aluminum forged impeller are well-balanced.
Ported shroud function is selectable using an adapter.
Replacing the position of the bolt securing ported shroud is able to keep the intake air path to reduce surging.
Impeller wheel rotation sensor compatible. （The sensor will be available separately.）　
Easy replacement with TO4Z series turbine and the turbo kit using TO4Z. (Oil inlet / outlet are designed for GTIII-4R).
* Water cooling line is not available.