Inner core of Paragon Performance AFX-R7 Series is a Goodyear® material for the highest quality end product.   Goodyear's Hysunite Fuel Line/Emission Control Hose has superior flexibility and is designed specially for gasohol and later carbureted vehicle applications with high under-the-hood temperatures.   The Hysunite under braid hose cover is oil and gasoline resistant and withstands exposure to fuel, vapor, moisture and high heat up to 250°F.   The Chemigum® rubber fule line hose is specially compounded to resist gasoline, oil, diesel and other fuels.   A high strength synthetic textile reinforcement coupled with stainless steel outer braid, brings minimum burst pressure to 175 P.S.I. meeting SAE specification J30R7.