
1) Auto racing sanctioning body 2) Brickyard racer 3) Race-sanctioning biggie 4) Race-sanctioning body 5) Speedway racer 6) STP logo sporter
Found on
https://www.crosswordclues.com/clue/indycar

The Indy Racing League, or INDYCAR (all capital letters) is an American-based auto racing sanctioning body for Championship auto racing. The organization sanctions four racing series: the premier IndyCar Series (often abbreviated ICS) with its centerpiece Indianapolis 500, and developmental series Indy Lights, the Pro Mazda Championship and the U....
Found on
http://en.wikipedia.org/wiki/IndyCar
No exact match found.