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Supertech manganese bronze intake valve guides for Mazda Miata 1.8L engines, supplied as a set of 8. These guides are sized for the Miata 1.8L and intended as direct replacements during head rebuilds to restore correct valve-to-guide clearance. They help maintain valve alignment and consistent intake valve motion in compatible 1.8L Miata applications.
Supertech Mazda Miata 1.8L Manganese Bronze Intake Valve Guide - Set of 8
