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Supertech black-nitrided intake valve set for Nissan RB20 engines with hydraulic lifters. This set of 12 intake valves is finished with a black nitride coating and supplied +1mm oversize to support cylinder-head rebuilds or refreshed valve trains where oversize valves are required. It’s a straightforward way to replace worn intake valves while keeping engine-spec valve sizing in mind.
Supertech Nissan RB20 (w/Hydraulic Lifters) Black Nitrided Intake Valve - +1mm Oversize - Set of 12
