NASCAR Rule Changes have been officially announced ahead of the 2026 season, with updates set to impact the Cup Series, the NASCAR O’Reilly Auto Parts Series, and the NASCAR Craftsman Truck Series.

NASCAR hosted its annual rules briefing Thursday at its research and development center in Concord. Most of the rules changes weren’t all that revelatory. The big procedural adjustment to the NASCAR ...

NASCAR has already implemented a series of substantial changes ahead of the 2026 season, touching nearly every aspect of the sport. Those adjustments include a reworked championship format, increased ...

Inside the rules that allowed Tyler Reddick to win at Darlington after his team replaced a battery mid-race after an in-race ...

Following the Clash at Bowman Gray, NASCAR held a rules briefing with media today to outline regular-season updates. According to Bob Pockrass of FOX Sports, there were four updates: some R&D-related ...

NASCAR announced Wednesday that it has updated the open exemption provisional rule, which was used to secure a starting spot for Helio Castroneves in the Daytona 500. Teams still must request the ...

NASCAR announced rule updates: increased horsepower and three others. Short-track package endures minimal changes. In-season challenge seeding adjusted to better match standings based on skill rather ...