ATP Power Steering Fluid is a highly specified, premium synthetic that's perfect for all applications and uses, from increasing efficiency and life of the power steering system in a daily driver—to specialty, severe-duty, and high performance applications. This fully synthetic, highly shear stable and oxidation/corrosion-resistant fluid is suitable for use even in high-end European systems specifying CHF fluids, or as an upgrade to any domestic, import or European car or truck. ATP power steering fluid offers extreme hot and cold temperature protection, and will flow and lubricate down to -58 degrees F.