The high temperature injection molded silicone hump coupler is designed to connect to a 4OD tube and is 3 long. Standard stainless steel worm-gear #060 clamps provides tight connections, durability, and is corrosion resistant for industrial, commercial, truck, off-road, and racing applications. Product Features:Injection Molded SiliconeCoupler Hose Allows For Expansion/Movement/VibrationStainless Steel Worm-Gear Clamps Provides Tight ConnectionsWorm-Gear Clamps Provide Durability/Corrosion Resistant
