90 deg. silicone coupler, high temp 4-ply reinforced, 1/4" ID, 5" & 36" legs. This 90 degree HPS Performance 4-ply silicone elbow coupler is designed to meet and exceed SAEJ20 industry standards. It is ideal for heavy duty pressure connections and provides excellent heat resistance in high-temperature applications. This HPS silicone elbow can be easily trimmed to replace an OEM or aftermarket rubber heater hose. Unlike traditional rubber heater hose elbows that are sold in auto parts stores, HPS Performance high temperature silicone elbow couplers are designed and engineered to meet a wide range of high-performance requirements.