12/30/2015
Grays Harbor Raceway
Tire Rule Amendment
New for the 2016 season, all sprint car teams will be allowed to use the Hoosier 105/18-15 HTW and the 105/16-15 Medium that was used last year on the RR. The 105/16-15 H20 will not be allowed after June 1st. The LR and front tire rule will remain the same as the 2015 season.
Submitted By: Steve Beitler
