NHRA Top Fuel dragsters underwent a safety upgrade in the time between NHRA Arizona Nationals and this weekend's NHRA Gatornationals. Teams were required to add an extra crossmember to the bay area just beyond the foot box. 

According to NHRA Director of Engineering Tim White, at least three frontrunning Top Fuel teams approached the NHRA Technical Department with concerns with the lower and upper frame rails from this section on the 300-inch wheelbase dragsters. The top rails were apparently bowing at speed with concern for overloading the bottom. 

The crossmember fix was mandatory for this event.