Prestone AS800-6PK DOT 4 Synthetic Brake Fluid - 12 oz, (Pack of 6) Recommended for all ABS, disc and drum brake systems as well as hydraulic clutches requiring DOT 3 and DOT 4 fluids Provides corrosion protection for all metals within the braking system Compatible with all conventional brake fluids Substantially reduces the possibility of fluid vaporization and eventual brake failure Excellent performance in high-temperature braking systems