STI - Rear Stabilizer Bar - Subaru Legacy Touring Wagon BHC Applied A-D (1998-2003)SPECIFICATIONS Manufacturer: STI Position: Rear SPECIFICATIONS: Application: Rear Diameter (mm): 21This is a great item to add to a cars footwork and absolutely essential for those who plan on doing some circuit racing. The stabilizers included in this kit will allow the suspension to stroke properly during sharp cornering. The stabilizer will make a rolling motion and will force your tires to be pushed to the ground, increasing grip greatly.