This dual role lasted until the 1970s when he left the NASCAR circuit to focus on running his insurance company.

To make it to the top of the NASCAR circuit, you have to be strong, smart and hardworking, too.

The race joined the NASCAR circuit in 1989.

The project made the track one of the fastest on the NASCAR circuit.

The 1995 bodystyle was also a favorite on the NASCAR circuit and enjoyed considerable success at the track.

-It's difficult being a crew chief on the NASCAR circuit.

The car was not enough to beat the other aerocars on the NASCAR circuit.

I'm on the NASCAR circuit now, doing engines mostly, sometimes suspensions, but the heart has gone out of it.

It is also the only racetrack that has been on the NASCAR circuit from its beginning in 1948.

The helmets serve many safety purposes in the NASCAR circuit.