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Supertech manganese bronze exhaust valve guides for Nissan SR20DE engines, sold as a set of 8. These guides accept 6mm valve stems and are intended as direct replacements during cylinder head rebuilds to restore correct valve-to-guide clearance. They help maintain valve alignment and dependable exhaust valve operation in SR20DE applications.
Supertech Nissan SR20DE Manganese Bronze Exhaust Valve Guide 6mm Stem - Set of 8
