Pressure Hoses exceed OEM performance standards with a max 1500 psi working pressure, 8700 psi burst pressure rating and tensile strength of 1,600 lb. providing exceptional durability All tubing is manufactured from high grade steel, with zinc electroplate coating, providing corrosion and rust resistance against elements such as moisture and acidity Each hose is precision engineered to exact form, fit and function 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 reinforced rubber with a synthetic rubber coating that is highly resistant to oil, ozone, and heat. Hoses have an operating temperature of 40 to 350 degrees Fahrenheit