... , Workable price 3. Daily capacity: 5000pcs 4. connected valve Engine valve guide1. Cast Iron material 2. OEM's quality, Workable ... suit for gasoline, diesel, CNG auto engine models and motorcycles.trusted material of engine valve guide for cast iron: HT250, ... , YANMAR...KOREA series---DAEWOO, HYNDAI...EUROPE series---BENZ, B.M.W, SCANIA, DEUTZ, VOLVO, PEUGEOT, FIAT, RENAULT, VOLKSWAGON, PERKINS... ...