There is intake valves and exhaust valves use for RENAULT. it's OEM NO.:7701462137 7701460690 7701462385 7701460690...and so on. Material:21-4N,or according to client's request. Surface treatment:chromed or nitrided.it's also according to client's request. The Rui'an LIWANG manufacturing CO.,LTD located at the Zhejiang Wenzhou Motor city Tangxia.We specialized are engaged in various types high difficulty automobile, the motorcycle, the general gasoline engine, series and so on diesel engine internal combustion engines enter the exhaust gate, the valve guide production and the sale.The product model is complete,may also depend on the customer to coordinata the production. We can offer various of auto engine valves LADA,VOLGE,AUDI,VW,BENZ,SKODA,OPEL,DAEWOO,TOYOTA,HYUNDAI,NISSAN,MITSUBISHI,MAZDA,MAN,KIA,FIAT,PEUGEOT,RENAULT,ISUZU,PERKINS,CUMMINS,KOMATSU,CATERPILLAR.etc