Construction: Silicone hose with 1-ply of Nylon Fiber Reinforcement Specifications: Meets or exceeds the operating requirements of SAE J20 R3 Class A Meets or exceeds the operating requirements of TMC RP303B Class I Grade II Temperature range is -65°F (-54°C) to +350°F (+177°C) Standard Wall Thickness is .140”/.170” Working pressure is 1/3 of the burst pressure Bend radius is 5 times the ID of the hose Applications: Resistant to coolant additives Resists hardening, cracking, cold leaks, aging, and many chemicals Ideal for extreme temperature and various pressure ranges where high performance levels are require