With the change of the regular series to ”Superfast” the Kingsize range did not escape the upgrade and from 1971 they were rebranded as SuperKings as well as being split and expanded, along with the newly rebranded Superkings came the SpeedKings.
To begin with some of the models were carried forward from the KingSize range but with upgraded ”Superfast” wheels.
| No. | Description | <click to enlarge> | Year Released |
| K21-2 | Cougar Dragster |  |
1971 |
| Replaced in 1974 with K21-3 as a SuperKings model | |||
| K22-2 | Dodge Dragster |  |
1971 |
| Replaced in 1974 with K22-3 as a SuperKings model | |||
| K23-1 | Mercury Police Car |  |
1969 |
| Replaced in 1974 with K23-2 as a SuperKings model | |||
| K24-1 | Lamborghini Muira |  |
1969 |
| Replaced in 1976 with K24-2 as a SuperKings model | |||
| K25-1 | Boat & Trailer |  |
1971 |
| Replaced in 1977 with K25-2 as a SuperKings model | |||
| K26-1 | Mercedes Benz Ambulance |  |
1971 |
| Replaced in 1978 with K26-2 as a SuperKings model | |||
| K27-1 | Camping Cruiser |  |
1971 |
| Replaced in 1978 with K27-2 as a SuperKings model | |||
| K28-1 | Drag Pack |  |
1971 |
| Replaced in 1978 with K28-2 as a SuperKings model | |||
| K29-1 | Lamborghini Muira, Boat & Trailer |  |
1971 |
| Replaced in 1978 with K29-2 as a SuperKings model | |||
| K30-1 | Mercedes C.111 |  |
1972 |
| Replaced in 1978 with K30-2 as a SuperKings model | |||
| K31-1 | Bertone Runabout |  |
1972 |
| Replaced in 1978 with K31-2 as a SuperKings model | |||
| K32-1 | Shovel Nose |  |
1972 |
| Replaced in 1978 with K32-2 as a SuperKings model | |||
| K33-1 | Citroen S.M |  |
1972 |
| Replaced in 1978 with K33-2 as a SuperKings model | |||
| K34-1 | Thunderclap |  |
1972 |
| Replaced in 1979 with K34-2 as a SuperKings model | |||
| K35-1 | Lightning |  |
1972 |
| Replaced in 1979 with K35-2 as a SuperKings model | |||
| K36-1 | Bandeloro |  |
1972 |
| Replaced in 1978 with K36-2 as a SuperKings model | |||
| K37-1 | Sandcat |  |
1973 |
| Replaced in 1978 with K37-2 as a SuperKings model | |||
| K38-1 | Gus’s Gulper |  |
1973 |
| Replaced in 1978 with K38-2 as a SuperKings model | |||
| K39-1 | Milligans Mill |  |
1973 |
| Replaced in 1978 with K39-2 as a SuperKings model | |||
| K40-1 | Blaze Trailer |  |
1973 |
| Replaced in 1978 with K40-2 as a SuperKings model | |||
| K41-1 | Fuzz Buggy |  |
1973 |
| K41-2 | Martini Brabham F1 |  |
1977 |
| Replaced in 1981 with K41-3 as a SuperKings model | |||
| K42-1 | Nissan 270X |  |
1973 |
| Replaced in 1979 with K42-2 as a SuperKings model | |||
| K43 | Cambuster |  |
1973 |
| Replaced in 1981 with K43-2 as a SuperKings model | |||
| K44-1 | Bazooka |  |
1973 |
| K44-2 | Formula 1 Surtees TS1 |  |
1977 |
| Replaced in 1981 with K44-3 as a SuperKings model | |||
| K45 | Maurauder |  |
1973 |
| K46 | Racing Car Pack |  |
1973 |
| K47 | Easy Rider |  |
1973 |
| K48 | Mercedes 350 SLC |  |
1973 |
| K49 | Ambulance |  |
1973 |
| K50 | Street Rod |  |
1973 |
| K51 | Barracuda |  |
1973 |
| K52 | Datsun 240 Z Rally Car |  |
1974 |
| K53 | Hot Rod Fire Engine |  |
1976 |
| K54 | A.M.X Javelin |  |
1976 |
| K55 | Corvette Caper Cart |  |
1976 |
| K56 | Maserati Bora |  |
1976 |
| K57 | Javelin Drag Racing Set |  |
1976 |
| K58 | Corvette Power Boat Set |  |
1976 |
| K59 | Ford Capri II |  |
1976 |
| K60 | Mustang |  |
1977 |
| K61 | Mercedes Police Car |  |
1977 |
| K62 | Doctors Emergency Car |  |
1977 |
| K63 | Mercedes Benz ‘Binz’ Ambulance |  |
1977 |
| K64 | Fire Control Range Rover |  |
1978 |