BROOKLYN, Mich. — Probation is over for Kyle Busch and Kevin Harvick, but the drivers aren’t ready to shake hands and make up.

Asked how much the end of the penalty would change his driving, Busch said “zero.”

“It didn’t matter being on it or being off it,” he said Friday before practice for Sunday’s race at Michigan International Speedway. “I try to race the best I can each and every week, as hard as I can and as clean as I can.”

The two drivers, fined and disciplined for a run-in after the May 7 race at Darlington, were again told to cool it last week at Pocono. Harvick said afterward that he wanted Busch to know he had one coming.

“Fine with me,” Busch said. “It’s not my problem. I race my racecar, he drives his. You saw how I raced.”

The two have not spoken to each other since NASCAR sat them down before the May 15 race at Dover. Their trailers were parked next to each other Friday morning because placement is determined by Sprint Cup points standings.

“A lot of these things, you go out on the racetrack and things happen and you do what you think is right at the right time,” Harvick said.