If you are using a parts store brake fluid you are not getting the most from your brake system. AFCO Ultra HTX racing brake fluid is specifically formulated for racing under the most demanding conditions. Ultra HTX s high wet and dry boiling points give you maximum protection against vapor lock and other problems associated with high brake system temperatures. With a 600+ degree boiling point Ultra HTX high temp brake fluid sets a new standard for brake fluid performance. Specifically formulated for racing. High wet and dry boiling points. 600+ degree dry boiling point. Exceeds D.O.T. 3 4 and 5.1 requirements. Virtually elminates vapor lock. Non-silicone. Case of (12) 16.9 oz. bottles.