The technical bulletin released by the sanctioning body on Thursday will make it more difficult for drivers to have rear steer .
The technical bulletin released by the sanctioning body on Thursday comes on the heels of allegations that Hendrick Motorsports had figured out an advantage .
The technical bulletin released by the sanctioning body on Thursday will make it more difficult for drivers to have rear steer and comes on the heels of allegations that Hendrick Motorsports had figured out an advantage .