The Bulls have cantered to a 38-6 win over the Kings in Port Elizabeth, despite being reduced to 13-men at one point.
RG Snyman and Marcel van der Merwe were both yellow carded for professional fouls towards the end of a first half that lasted 48 minutes.
The Kings were unable to capitalise on their advantage though, as the Bulls held them try-less on the way to a bonus point win.
SP Marais and Jamba Ulengo both scored two tries, while Jan Serfontein and Snyman bagged one each as the Bulls cruised to remain second in the Africa 2 conference.
