Pro Talk on MSN11 个月
NASCAR confiscates roof rail deflectors from Stewart Haas Racing cars
The roof rail detractors are bars that go across the roof of the car to help with aerodynamics. In addition, NASCAR said ...
Racer on MSN4 个月
NASCAR rolls out aero updates to reduce chance of cars going airborne
The right-side roof rails will be extended two inches with polycarbonate. Cars will carry a new rocker skirt as part of the ...