First, from 1958 are two variations of the #52(A) Maserati 4CLT Racer.
Next, from 1962, are the two variations of the #73(B) Ferrari F1 Racing Car.Here are 3 varieties of the #19(D) Lotus Racing Car. The first two were issued beginning in 1966 while the one on the right is the Superfast version issued in 1970.
, Here are 7 (of the 23) variations of the Superfast #34(A) Formula 1 Race Car, issued in 1971.
Finally, since these cars are too valuable to drive on the highway to get to Indianapolis, here is the Matchbox Major Pack #6(B) Racing Car Transporter, issued in 1965.