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The Supertech black-nitrided intake valve for Subaru EJ20 and EJ25 engines is offered in a +0.5mm oversize as a single valve, providing a slightly larger diameter option when required. The black nitriding treatment increases surface hardness and resistance to wear on the intake side. It is intended as a direct replacement to support EJ20/EJ25 engine servicing.
Supertech Subaru EJ20/EJ25 Black Nitrided Intake Valve - +0.5mm Oversize - Single
