Phillips' death resulted in a serious debate about roll cage design practices, construction methods and inspection techniques applied to NASCAR Limited Sportsman Division cars.Motorsport Memorial In 1996, a roof reinforcement called the Earnhardt bar was made mandatory on all NASCAR vehicles after Dale Earnhardt was seriously injured in a crash at Talladega in the DieHard 500. Charlotte Motor Speedway also withdrew from the Sportsman Division in 1996, following 3 deaths in 6 years, citing Phillips' death as "the last straw".CHARLOTTE TRACK RED-FLAGS A CRASH-AND-BURN SERIES MARRED BY TRAGEDY FOR YEARS, SPORTSMAN RACES WILL GIVE WAY TO ARCA EVENTS IN '96
