NASCAR has fined Kurt Busch, driver of the No. 51 car in the Sprint Cup Series, $50,000 and placed him on NASCAR probation until July 25 for his actions during the May 12 race at Darlington Raceway.

Related: Another Southern 500 melee on pit road

Kurt Busch violated Section 12-1 (Actions detrimental to stock car racing; reckless driving on pit road during the race; involved in an altercation with another competitor after the completion of the race) of the 2012 NASCAR Rule Book. Additionally, Craig Strickler, a crew member for the No. 51 team, has been fined $5,000 and placed on NASCAR probation until Dec. 31 for violating Section 12-1 (Actions detrimental to stock car racing; interfering with a member of the broadcast media).

Tony Gibson, crew chief for the No. 39 Sprint Cup Series team, has been placed on NASCAR probation until June 27 for violating Section 12-1 and Sections 12-4G and 9-4A (Crew chief assumes responsibility for the actions of his team members). Andrew Rueger, a crew member for the No. 39 team, has been fined $5,000 and placed on NASCAR probation until June 27 for violating Section 12-1 (Actions detrimental to stock car racing; failure to comply with a directive from a NASCAR official). Both of these violations occurred post-race.

Video: No. 39, No. 51 teams scuffle after the race at Darlington