The Flex Technologies 2-3/8" Straight Silicone Radiator Hose is the perfect solution for your custom applications and replacement of OEM hoses. This hose is made from high-grade silicone for superior strength and durability and is resistant to extreme temperatures, ozone, coolants and oil. This hose is designed to perform more efficiently and improve fuel economy and lower emissions. It also helps to ensure that your engine stays at the optimal temperature and reduces the risk of overheating and damage to the engine. FleetPride is your First Click in Heavy Duty®.