Simple in design and function,attach above the springs so they don 't catch on trail obstacles. Come black painted with blue polyurethane bushings.Will not fit with overloads.
Prevent spring wrap-up and wheel hop giving you added traction for hill climbing and rough terrain. They help eliminate shackle and driveshaft damage that can occur during sudden stops and reduce the chance of broken springs due to rough terrain or heavy loads.  Come black painted.