NASCAR Racing: Tires, watkins glen, street tires

Question
What typy of tires does NASCARs use and what size rim. (With and diamater.)

Answer
Hey John,
Goodyear provides the tires for NASCAR.
They are using the "Goodyear Eagles1"
But they are much different than the street tires that you buy at Auto-Zone, they are slick and have no grooves.

As for width:
it varies from track type

Daytona
and Talladega.

Rollout     87.9 in.   88.5 in.    87.9 in.   88.5 in.
Weight      24.3 lbs.  24.4 lbs.   24.3 lbs.  24.4 lbs.
Tread Width 10.6 in.   10.8 in.    10.6 in.   10.8 in.

Atlanta, Bristol, Lowe's, Darlington, Dover, Fontana, Las Vegas, Michigan, Richmond, Loudon, Phoenix, Pocono, Homestead, Nashville, Chicagoland, Kentucky, Gateway, Rockingham, Texas, and Bristol

Rollout      87.4 in.    88.6 in.    87.4 in.   88.6 in.
Weight       23.0 lbs.   24.3 lbs.   23.0 lbs.  24.3 lbs.
Tread Width  11.5 in.    11.0 in.    11.5 in.   11.0 in.

Martinsville,
Rollout     87.3 in.     88.6 in.    87.3 in.    88.6 in.
Weight      21.8 lbs.    25.6 lbs.   21.8 lbs.   25.6 lbs.
Tread Width 11.2 in.     11.6 in.    11.2 in.    11.6 in.

Infineon and
Watkins Glen

Rollout     87.4 in.      87.4 in.    87.4 in.    87.4 in.
Weight      25.6 lbs.     25.6 lbs.   25.6 lbs.   25.6 lbs.
Tread Width 11.6 in.      11.6 in.    11.6 in.    11.6 in.
hope this helps.