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The Supertech exhaust valve guide set for Nissan SR20DET and RB26 applications includes eight manganese bronze guides sized for 7mm stems with a .001in oversize. Designed for cylinder head service, these guides restore correct clearance for exhaust valves and provide a durable replacement option to help maintain reliable valve seating and consistent operation in compatible Nissan engines.
Supertech Nissan SR20DET/RB26 7mm Stem Manganese Bronze .001in OS Exhaust Valve Guide - Set of 8
