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The Supertech Black Nitrided exhaust valve for Subaru EJ20 and EJ25 applications is offered in a +0.5mm oversize as a single valve, providing an option when a slightly larger valve diameter is required. The black nitrided finish enhances surface hardness and wear resistance on the exhaust side. It serves as a straightforward replacement matched to EJ20/EJ25 specifications.
Supertech Subaru EJ20/EJ25 Black Nitrided Exhaust Valve - +0.5mm Oversize - Single
