The Supertech intake valve stem seal set fits SR20DE, SR20DET and RB26 engines and is a 6mm style supplied as a set of 8. These seals are sized for the listed Nissan engine families and intended for intake-side valve stem sealing during head maintenance or seal replacement, matching the specified 6mm dimension to restore correct oil control at the valve guides.
Supertech SR20DE/SR20DET/RB26 6mm Intake Valve Stem Seal - Set of 8