... 3.Brand or OEM packing Valve role is responsible for input to the engine fuel and emissionsWe are the professional manufacturer(factory ... SUH3(4Cr9Si2).Engine valves are suitable for TOYOTA,AUDI,BESFORD,BMW,CATERILLAR,CUMMINS,DAF,DAIHATSU,DAEWOO,FORD,FIAT,HILLMAN,HINO,HONDA,HYUNDAI,ISUZU ...