Description 90 degree silicone elbows are dual-purpose designed for coolant and charge air connector systems, these silicone elbows are extreme duty cycle tested for hostile engine environments. They’re constructed with low dilation design to prevent expansion. Temperature Range -65° F – 500° F Construction Silicone hose with 3-plies of meta-aramid reinforcement Stocked in standard lengths Features Part Number: 7884-275 Inside Diameter: 2.75 Inch | 70 MM Outside Diameter: 3.07 Inch | 78 MM Leg Length: 7 Inches Bend Radius: 4.13 Inches Burst Pressure: SAE J20 R1: 125 | TMC: 100 Weight: 1 lbs.