The following drivers are permitted to run the South Wales IKR seeded ‘1’ and ‘01’ plates in 2017 in the below named classes only. Unfortunately drivers cannot transfer their seeded plates from one class to another if they are competing in a different CLASS (not subdivision) from 2016.
| Class | #1 | #01 |
| Cadet Honda | William Gill/Jack Finch | Jez Williams |
| Cadet IAME | Roman Nicolai | |
| Junior Prokart | Jakeb Bull | Thomas Taylor |
| Junior TKM | Ben Cutler | |
| Junior Rotax | Michael Goodburn | Ioan Lloyd |
| Senior Prokart | Martin Hillbourne | Ben Jones |
| Senior Rotax | David Spiller | Peter Stickler |
| TKM Extreme | Sam Johns | Mark Church |