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The Supertech black-nitrided intake valve for Subaru EZ30 H6 24-valve engines is offered in a +1mm oversize as a single valve, providing a larger-diameter option for head work. The black nitriding treatment enhances surface hardness and resistance to wear on the intake side. It supplies a direct replacement matched to EZ30 H6 24V valve specifications.
Supertech Subaru EZ30 H6 24V Black Nitrided Intake Valve - +1mm Oversize - Single
