MUSKEGON, Mich. – A $1,000 top prize and Fast Shafts All-Star Invitational qualifying eligibility are on the line Saturday night for IMCA Modifieds at Thunderbird Raceway.
The July 31 program is presented by JJ Motorsports. Pit gates open at 3 p.m. and the grandstand opens at 4:30 p.m., with hot laps at 5 p.m. and racing at 6:15 p.m.
Pit passes are $30 and spectator tickets will be available at the front gate. Adults are $12, seniors $10, kids ages 6-11 $5 and five and under free.