Fitment and Product Information. Fuel Pressure Regulator Adjustable Billet Aluminum Blue Anodized Finish Product Details Brand: BBK Part #: 1707 UPC: 197975017079 Features and Specifications BBK billet fuel pressure regulators are a great way to tune your vehicle to obtain optimum air/fuel ratios and achieve maximum horsepower with the simple adjustment screw located on top. Each BBK Performance fuel pressure regulator is made from high quality CNC Machined billet aluminum and is hand assembled and pressure tested with a precision leak free diaphragm that will allow fuel pressure adjustment to approximately 65psi. All units have an anodized finish for great looks and long lasting finish. Fully Adjustable Fuel Pressure Regulator Adjustable Pressure 25-65 PSI Great For Tuning Additional Fuel For Added Performance CNC Machined Billet Aluminum – Blue Anodized Finish Made In The USA Specs Maximum PSI: 65 Mount Type: Factory Style Port Quantity: 1 Pressure: 65 PSI. WARNING : This product can expose you to chemicals including Styrene, which is known to the State of California to cause cancer.