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Supertech black-nitrided intake valve set for Nissan RB25 engines. This set of 12 intake valves comes +1mm oversize to accommodate resurfaced seats or mild head modifications. The nitride finish provides a treated surface intended to resist wear while retaining appropriate sealing surfaces, making the set suitable for rebuilds where oversize intake valves are specified by the machine shop.
Supertech Nissan RB25 Black Nitrided Intake Valve - +1mm Oversize - Set of 12
