CT Race Worx created trailing arms to match our boxed a arms in every way. First they increased strength tremendously over stock while adding just 11 pounds per arm. Their designs allow them to have the most ground clearance any other trailing arms on the market where it counts. T Race Worx gains just over 4" of ground clearance throughout the arm but where it matters most is right under the shock mount which is at the front of the tire. They gain over 2" of usable clearance where it matters. They have material thickness at nearly a quarter of an inch on the bottom side of the arm so whether you're cruising through the desert or bashing them in the rocks these arms are built to take it without failing. These are bolt on and work with the factory shocks without modification.