2018 Jeep Wrangler JL Bow Correction Coil Isolator Daystar's Bow Correction Coil Isolators replaces the factory coil isolator and corrects the bowed appearance and rubbing noise. Made in the USA this kit has a quick and easy installation that can be done using just the tools in your garage. There's no more need to worry with Daystar's coil isolators, they will not only fix that annoying rubbing noise but also prevent premature wear on your JL's suspenion and give you the peace of mind.