YonGSHUN SPARK PLUG WIRES, SET OF 4 -- Meets or exceeds OE/OES specifications for fit, function, performance, and quality; Features OE conductor construction and OE/OES specified insulators, nipples, and terminals; Offers superior fiberglass, silicone, and Kevlar construction for excellent conductivity, high temperature, EMI/RFI noise suppression, durability, and more; Meets SAE J2031 Class E specifications rated to withstand temperatures from -40 to 428 degrees Fahrenheit; Designed with click-in-place end caps that match to OE end caps for quick installation and a tight fit without adjustment; Pre-cut for a perfect fit; Features specially designed ignition cable and wiring systems to meet customer-established performance, reliability, and cost; Passed strict quality control and testing procedures to ensure consistent product performance; Designed to protect electronic systems from electrical or magnetic interference; Allows for all weather starting; Offers resistance to heat, cold, and chemical attack; Carries a maximum voltage; Won't crack or shrink. YonGSHUN SPARK PLUG WIRE SET -- A high quality, direct fit OE replacement spark plug wire set. QINGHE YonGSHUN AutoParts CO., LTD is a scientific and technological enterprise dedicated in researching, developing, and producing of high-voltage ignition wire sets, high-voltage ignition cable, rubber boots, etc. The company has advanced production and inspection equipment. There is rubber sealed smelting and surface treatment of vulcanized metal. At present, the product varieties of ignition wire set has exceeded 500 kinds. We are exported to many countries in America, Europe and the Middle East etc.The company also has a whole set of production management system to ensure the best quality of our products. At the same time, we are constantly improving our production and inspection equipment. Our mould center is among the best in this field in China. International standards are strictly observed in our quality control and we own a well-appointed testing center. The testing center has full set of equipment and instruments for product check and measurement, such as DC Hi-voltage balance, electronic tensile-testing apparatus; all these ensure the quality of pro