AN6 Adjustable Car Fuel Pressure Regulator with Oil-Filled Gauge and Fuel Hose Universal. CNC machined light weight. Adjustable, can tune the fuel pressure to your needs. Deliver high performance, long life, high reliability operation. Fuel pressure will rise on a 1:1 ratio when referencing boost. Colors / Fits for Universal car. 7 pcs Hose end fitting: Made of high quality T6061 Aluminum, -6AN size. 3pcs stainless steel Braided fuel hose:Length:170mm ; 380mm ;660mm Material:304 stainless steel + CPE synthetic rubber. Adjustable from 0 to 160 psi to maximum fuel pump capacity. A fuel pressure regulator: two -6 AN inlet ports and one -6 AN return port. Support high power application:300-800 hp. Compact, high-duty design engineered by the best professionals of automotive industry. Easy of operation and control over the fuel pressure level.