This product is an extra heavy duty synthetic brake fluid for use in modern high performance vehicles. DOT 5.1 has been designed to give exceptional heat transfer and braking performance, making it suitable for vehicles with ABS fitted. It is a synthetic formulation, contains no silicone and is compatible with vehicles fitted with ABS, improving performance and safety. Meets SAE J1704 and DOT 5.1 specifications. Recommended for use by Granville for the following manufacturer's specifications: FMVSS DOT 5.1, ISO 4925, SAE J1704.