Supertech black-nitrided intake valves for Subaru EG33 H6 24V engines are supplied as a matched set of 12 for intake service and engine rebuilds. These valves are intended as direct-replacement intake components for the specified engine application and come packaged as a complete set to simplify head assembly or valve refresh.
Supertech Subaru EG33 H6 24V Black Nitrided Intake Valve - Set of 12