Mobil 1 is the official motor oil of NASCAR, but Valvoline is the official motor oil of Hendrick Motorsports. The relationship goes back to the mid-1990s, when Valvoline was a Hendrick partner for ...
DARLINGTON, SC - SEPTEMBER 04: Dale Earnhardt Jr., driver of the #88 Valvoline Chevrolet, is pushed through the garage area by his crew during practice for the NASCAR Sprint Cup Series Bojangles’ ...