Wear-resistant internal valve core ensures flexible opening and closing, not easy to get stuck. 4 Pieces Fuel Injector For Vw For Bora For Golf For Polo 036906031AH IWP196; Part Number:036906031AH IWP196; It can reduce carbon deposits, repair cylinder shortages, suppress unstable idle speed, weak acceleration, difficult starting and other problems, and improve engine efficiency; High flow design makes power output more smooth and improves driving experience., Manufacturer: QDouiMOO