... good and normal, good material: INLET VALVE IS SUH3(4Cr9Si2) ; EXHAUST VALVE IS SUH35(21-4N), normal material: INLET VALVE IS ... SUH1(40Cr) ; EXHAUST VALVE IS SUH3(4Cr9Si2). Engine valves are suitable for TOYOTA,AUDI,BESFORD,BMW,CATERILLAR,CUMMINS ... LEYLAND,LISTER,MAZDA.BENZ,MITSUBISHI,NISSAN,OPEL,PAYKAN,PERKINS,PEUGEOT,ROVER,SUBARU,SUZUKI,VOLVO,VOLKSWAGEN AND SO ON. We have all ...