11. Nozzle Ring Assembly / Variable Vane Assembly - SHOP

The Nozzle Ring Assembly also know as Variable Vane Assembly is latest control of shaft speed / boost pressure.


The Nozzle ring is a ring of vane which are moved by the wastegate actuator to divert the flow of exhaust gasses through the Turbine Shaft & Wheel to alter shaft speed. 

Precision made these components must be in perfect condition to ensure the Turbo performs as expected.  Often damaged due to excessive bearing clearances resulting in the Turbine Wheel coming into contact with the Vane.


Our Nozzle Rings are of OE quality and are finished in a highly polished state to ensure carbon cannot stick to the assembly causing sticking Vanes..


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