RFK Racing's lineup is changing ahead of the race weekend at Kansas Speedway. The No. 6 team and Brad Keselowski will have a new crew chief.
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The Athletic's Jordan Bianchi first reported the news on Monday. He said that Jeremy Bullins and RFK Racing are amicably parting ways. He added that Bullins is taking a similar opportunity with a different organization.
"We're excited for Jeremy and his family as he embarks on a new opportunity," RFK Racing said in a statement on Monday. "Jeremy has been a terrific teammate, leader, and vital member of our competition think tank.
"Not only has he been a trusted voice with the (No. 6) team, but he's also brought great value to the garage in sharing strategic insights and historical perspective as we've crafted a shared vision for RFK Racing's on-track success.
"We wish Jeremy nothing but the best," the team added.
The NASCAR Roster Portal also confirms the change. It shows Mike Skarbowski as the crew chief for Kansas and the next few races on the NASCAR schedule.
Skarbowski has held multiple roles in NASCAR. For example, he served as the crew chief on the No. 99 team as Corey LaJoie attempted to qualify for this season's Daytona 500. The No. 99 team fell short of the crown jewel race after LaJoie was collected in a crash in his Duel race.
Bullins has been a crew chief in the Cup Series for 398 races. He started his time atop the pit box with Ryan Blaney in 2014, and he continued working with him through the 2019 season. Bullins and Blaney celebrated wins at Pocono, the Charlotte Roval, and Talladega.
The veteran crew chief joined forces with Keselowski and the No. 2 team in 2020. They celebrated four wins and reached the Championship 4. They won another race together in 2021.
Keselowski went to the rebranded RFK Racing in 2022, but Bullins remained at Team Penske. He first joined forces with Austin Cindric and won the Daytona 500. He then won the Daytona summer race with Harrison Burton in 2023.
Bullins reunited with Keselowski in 2025 as he moved to RFK Racing to take over the No. 6 team. He has guided the team since while seeking another win.
Prior to moving to the Cup Series full-time, Bullins guided multiple drivers in the O'Reilly Auto Parts Series. He was atop the pit box for 100 races. He celebrated 21 wins with Blaney, Keselowski, AJ Allmendinger, and Joey Logano. Keselowski won the most as he parked the entry in victory lane 14 times.
