100 years of OE experience, supplier to the world's top automakers, OE Heritage and knowledge built into every aftermarket part. Product Features:Precisely manufactured internal valves, diaphragms and springs means excellent performance under all engine operating conditionsQuiet operation, no audible regulator noiseRobust diaphragm materials means longer life, improved durability and compatibility with a wide range of fuelsConsistent and predictable fuel pressure throughout system range of control provides great drivability