Sunsong 3402390 Power Steering Pressure Line Hose Assembly Pressure Hoses exceed original equipment performance standards (SAE J188) with a max working pressure of 1,500 psi a burst pressure rating of 8,700 psi and a tensile strength of 1,600 lb. This provides exceptional durability and long life All tubing is manufactured from high grade steel and electroplated with a zinc coating (chromium III), delivering superior corrosion and rust resistance against elements such as high humidity, road salt, water, and grime Each hose is precision engineered to exact fit and includes brackets, grommets, switch ports, heat shields, bushings, and protective sleeves as required for to ensure that all wearable parts are restored to original condition Every hose is subjected to a high pressure quality assurance test before leaving the factory, ensuring trouble free installation and operation of your new hose Hoses are made from multi-layer reinforced rubber and have a synthetic rubber coating that is highly resistant to oil, ozone, and heat. Hoses have an operating temperature range of -40 to 310 degrees Fahrenheit, exceeding original equipment requirements