RFK Racing Replaced Crew Chief Jeremy Bullins
Mike Skarbowski has taken over leadership of the No. 6 team ahead of the race at Kansas Speedway.
Updated on Sept. 21, 2026 in Motorsports

RFK Racing has replaced crew chief Jeremy Bullins with Mike Skarbowski for the No. 6 team. Bullins departs the organization to pursue a similar opportunity with a different team.
Why it matters
The change in leadership for the No. 6 team marks a shift for RFK Racing as the organization adjusts its roster for the remainder of the season. Bullins had rejoined the team as recently as 2025 to work with the group.
Jeremy Bullins has led 398 Cup Series races throughout his career as a crew chief. Additionally, he logged 100 races and 21 total wins in the O'Reilly Auto Parts Series, 14 of which were earned alongside driver Brad Keselowski.
The players
Jeremy Bullins
He is an experienced crew chief who has led 398 races in the Cup Series.
Mike Skarbowski
He is the new crew chief for the No. 6 team at RFK Racing who previously worked on the No. 99 team.
RFK Racing
This is a professional NASCAR racing organization that employs crew chiefs and drivers for the Cup Series.
The details
Mike Skarbowski moves into the crew chief role for the No. 6 team after previously serving in the same capacity for the No. 99 team. The transition was confirmed by the NASCAR Roster Portal and will be active for the upcoming race weekend.
Timeline
Jeremy Bullins rejoined the team at RFK Racing in 2025.
The crew chief change was first reported on September 14, 2026.
Mike Skarbowski will serve as crew chief during the upcoming race weekend at Kansas Speedway.
Season Trajectory
This crew chief replacement comes during a critical stretch of the season as teams look to finalize their personnel for the final push. The move follows the 2025 reorganization of RFK Racing and impacts the immediate competitive stability of the No. 6 team.
The change officially places Mike Skarbowski at the helm of the No. 6 team for the upcoming Kansas Speedway weekend. This adjustment shifts the technical leadership of the team for all future races this season.
The takeaway
Personnel stability remains a core component of success in high-level racing operations. The departure of an experienced veteran like Bullins highlights the constant movement of technical staff between organizations throughout the NASCAR season.
Further reading
For more information on team changes and team standings, visit Motorsports.










