... Valve 1.Truck engine valve for 4Cr/10Si2Mo/SNCrW 21-12N 2.Identification: ISO9002 / QS9000 3.Brand or OEM packing Valve role is responsible for ... normal material: INLET VALVE IS SUH1(40Cr) ; EXHAUST VALVE IS SUH3(4Cr9Si2).Engine valves are suitable for TOYOTA,AUDI,BESFORD,BMW ... HYUNDAI,ISUZU,KAWASKI,KIA,LADA,LEYLAND,LISTER,MAZDA.BENZ,MITSUBISHI,NISSAN,OPEL,PAYKAN,PERKINS,PEUGEOT,ROVER,SUBARU,SUZUKI, ...