The 45 degree silicone elbow features polyester reinforced high temperature material, for which meets requirements of SAE J20 Standard. Silicone hose elbows are used in a huge range of applications ranging from bus, truck, road car, aircraft, ship, high performance production car, Formula One, World Rally Cars (WRC) Drifting etc.They are suited for many coolant plumbing applications and ...SUNRISE can produce 45 degree silicone elbows in any color as requested.