NASCAR is in the final stages of developing a new aerodynamical device intended to decrease the chances of airborne crashes.

After the Arizona Nationals, the flaps are allowed at this weekend’s Winternationals at Pomona, Calif., and the two four-wide events, at Charlotte and Las Vegas – and the NHRA Technical ...

ECLISSE Syntesis Areo is available in various combinations ... and horizontal or sloping header Top-hung or bottom-hinged flap panel Bifold and double bifold door Modular (up to 8 doors) ...