The Ford Cosworth is a high-performance engine developed by the British engineering company Cosworth in collaboration with Ford. Initially designed for motorsport, it gained fame in the 1960s and 1970s, powering various racing cars and becoming a staple in Formula One and Group B rallying. The most notable variant, the Cosworth DFV, was introduced in 1967 and became one of the most successful racing engines in history, winning numerous championships. Its innovative design and engineering excellence contributed significantly to the success of teams using it, solidifying the Ford Cosworth name in automotive performance.