【Fuel Pressure Regulator】: The fuel pressure regulator (FPR) can increase the fuel injection quantity without changing the oil supply pattern, increase the atomization level of the fuel injection, and make the fuel combustion complete, thereby effectively improving the horsepower and torque. 【ADJUSTABLE DESIGN】: This adjustable fuel pressure regulator with pressure gauge allows you to adjust the fuel pressure according to your needs, which can give you a convenient and practical using experience. 【HIGH QUALITY MATERIAL】: This fuel pressure regulator is made of high quality aluminum alloy, which is safe and reliable, strong and durable. It is not easily damaged, has stable performance and a long service life. 【EASY TO USE】: It comes with a bracket, wrench, pliers and other tools, easy to use and very convenient for your installation and modification. Its diaphragm built-in special material can cushion the average fuel pressure and make it more stable, giving you a more remarkable