All rules are on the site.
2018 4-CYLINDER STREET STOCK RULES AND REGULATIONS
5. Tires and Wheels:
a) All wheels must be reinforced to prevent their loss.
b) 8” DOT/Street tires are also permitted. De Chargers may run their Hoosier race tire. (There are Bridgeport cars SITTING because they just bought American Racer Tires and the DOT/Street tire rule went into effect. Also, the De Chargers and Super Trucks all run a race tire for SAFETY reasons. Any Wheel Permitted. DOT tires only – 8” Tire Max – 300 Minimum Tread Wear. It is safety issue. A driver has better control in the corners with a race tire. The Pa Limited Stocks run a DOT/Street Tire. As for lap times the race tire has been PROVEN to only gain a few tenths of a second over a street tire.
c) 8-inch maximum steel wheels with 60 series tires minimum.
d) No aluminum, or carbon fiber, trick, die cast wheels allowed.
e)Bead locks allowed.
f) Tire grooving is permitted.
g) No broken or missing lug nuts.
h) Any offset rim is allowed, all 4 rims do NOT have to be the same offset.
i) No dzuz button wheel covers