Pedzisa mutsara unotevera: Kamuri reinjini reMustang rakanga risina kukura zvakakwana kuti rigone kutakura injini hombe yeBoss 429, saka Ford yakaita chibvumirano naKar Kraft weDearborn, Michigan, kuti vagadzirise Cobra Jet Mustangs ine 4-kumhanya kuti igamuchire. Kar Kraft yakanga iri nzvimbo yekuedza yeFord chete iyo yaishanda seInjiniya yeMotokari yeFord's Special Vehicles. Kar Kraft akanga ambogadzira wokutanga GT40 MKII (mukundi we
1966 24 Hours of Le Mans) uye yakagadzirwa uye yakavakwa GT40 MKIV (mukundi we1967 24 Hours of Le Mans).