The high temperature red injection molded silicone bellow coupler is designed to connect to a (3 in. x 3-1/8 in.) OD tube and is 3-1/2 in. long. Standard stainless steel worm-gear #048 clamps provides tight connections, durability, and is corrosion resistant for industrial, commercial, truck, off-road, and racing applications. NOTE: Not for use on pressurized side of supercharged or turbocharged applications
