Rislone's Power Steering Stabilizer with Stop Leak contains a special blend of performance additives, anti-wear agents and viscosity improvers to solve most common power steering problems, including slack, noise and squeals, hard/tight steering and fluid loss. One 12.5-oz. bottle treats two to three quarts of any type of power steering fluid. It works on all domestic and import cars, trucks, vans, SUVs and heavy-duty vehicles.