Behind Busch in P5 was Roush Fenway Keselowski Racing's Brad Keselowski, but only after the pair were involved in a tussle out on track.
On a restart towards the end of the race, the #6 car checked up with Busch behind, forcing the #8 car and everybody behind him to also have to slow down.
Busch's P4 in Michigan marks one of his best results of the season so far with it being just his third top-five finish of 2024.
Earlier this year, Busch also finished P4 in Delaware, whilst his season-best finish so far of third place came in Atlanta in just the second race of the season.