What to expect from NASCAR’s 2019 Cup series rules package . October 3, 2018 What to expect from NASCAR’s 2019 Cup series rules package ESPN NASCAR explains reasons behind new Cup aero rules coming for 2019 autosport.com NASCAR Will Reduce Cars to Just 550 HP at Half of Its Cup Series Races Next Year Jalopnik Full coverage Brought to you by Google News. Read the rest of the article here