Manley's Race Series 33mm stainless steel exhaust valves for Ford 2.3L EcoBoost applications are engineered for engines operating up to 8000 RPM. These valves feature swirl-polished under-head areas, fully machined combustion faces, stainless construction, chrome stems and hard tips for wear resistance, and are offered in Race Master and Race Flo shapes to suit high-demand racing engines, including alcohol applications.
Manley Ford 2.3L EcoBoost Exhaust 33mm Stainless Race Master Valves