Mck's is short for Mck's Cars which stared in 1955 after the Le mans disaster which customize cars like the Ford Model B for then to now. In 1957 Mck's made their first car called the Type-A i7 which came in second behind a Ferrari with 2 behind the 2 laps behind the Ferrari the next year Mck's won with the a Type-B SAT (first) and a Type-A i7 (second) which in the 1950's ment Mck's could sell a lot of cars and they did.In 1959 the Type-C was made for the 24 Hours of Le Man's which in third place behind two Mck's Type-B SAT.
Later, Mck's made race car for the VGT races (i.e. CF1-ML4) after that they are a large sponsor in most races.