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The Manley Race Master 33.0mm intake valve is specified for 1990–1999 Mazda Miata 1.8L (BP056) DOHC applications. Part of Manley’s Race Series, these stainless steel valves feature swirl-polished under-head areas and fully machined combustion faces to optimize airflow. Chrome stems and hard tips improve wear resistance, and Race Master or Race Flo shapes let builders match valve form to high-revving track or aggressive street engines.
Manley 90-99 Mazda Miata 1.8L (BP056) DOHC 16 Intake 33mm Stainless Race Master Valves
