The Peterbilt 379 and 389 2 Bend Silent Shifters are a practical and reliable solution for your trucking needs. Made of stainless steel, these shifters are available in various lengths and come with an air line kit pre-installed. With a shift collar and hardware included, installation is a breeze. The silent Armaflex isolate foam within the tube ensures a quiet and smooth shifting experience. These shifters fit most Peterbilt 389 models from 2007 through 2023 and most Peterbilt 379 models from 1987 through 2007. Upgrade your truck with these durable and efficient shifters today.