This brake master cylinder is precision-engineered to match the design, function, and performance of the original master cylinder on specific vehicle years, makes and models. It is made of new, high-quality materials for a safe, durable replacement. This part is compatible with the following vehicles. Before purchasing, enter your vehicle trim in the garage tool to confirm fitment. [Ford Mustang: 1967, 1968, 1969, 1970, 1971, 1972] - [Mercury Cougar: 1967, 1968, 1969, 1970, 1971, 1972]