NEXT EVENT RJ's Home Improvements Night • MON. SEP. 7 • Darlington
Grand National
Grand National / Busch Rule Book
2026 DNQ Rule Book
DNQ Busch Series / Grand National
- Weight: 375 lbs
- 5 lbs post-race allowance
- DNQ sealed engines may run 10 pounds light
- Tires
- Left Side: Hoosier Treaded 11 x 5.5 x 6, D30
- Right Side: Hoosier Treaded 12 x 9 x 6, D50
- Min Duro = 50
- At the road course you may run the accepted tires on any side.
- Engine: Stock 212cc Predator Engine
- Busch Series karts must have
- Rotor guard (if run behind the seat)
- LR bumper cover
- Same safety / body-panel guidance as uploaded.