Over time, stock springs sag, get rusty, and simply wear out. BMR's suspension believes the right springs go beyond looks your 2015-2023 S550 Mustang and 2024 S650 Mustang needs to perform, too! All BMR springs are manufactured from chrome silicon high-tensile spring wire, and are cold wound on a CNC coiling machine. The CNC coiling head can adjust the spring diameter in real time to ensure that every spring is exactly the same. Every BMR'spring is compressed solid at the factory, not once, but twice. BMR springs are stress-relieved at 750 degrees F, ensuring most stresses induced during the winding process are eliminated. All springs are then shot-peened to eliminate residual surface stresses. Many spring manufacturers skip this step, but BMR insists on this operation as part of our spring manufacturing process.

Lowering parts reduce the vehicle's ride height below the factory setting, bringing the body closer to the ground; depending on the kit they replace springs, add drop spindles or blocks, or change mounting points.

Listed for 1 vehicle: the fitment table on this page shows each year, make and model it fits.