Prestone DOT 4 Motor Vehicle Brake Fluid delivers enhanced performance vs. DOT standards, benefitting all vehicles calling for DOT 4. This synthetic fluid starts with a higher dry boiling point than the DOT minimum standard to protect against overheating, brake fade and performance decline due to water absorption. 50,000-mile extended life fluid, formulated to prevent corrosion of all metals within the braking system. High-performance formula for extreme braking, providing a higher margin of safety because of its high-temperature synthetic extended life formula. Prevents overheating, brake fading and exceeds DOT 4 standard requirements. Protects against performance decline due to water absorption. Prevents corrosion of all metals within the braking system. Available in 12oz and 32oz.