4500 lb. Strictly Stock / Stock "A"
4000 lb. Hot Stock / Stock "B"
4000 lb. Modified
6500 lb. Strictly Stock / Stock "A"
6000 lb. Hot Stock / Stock "B"
4500 lb. Modified
6500 lb. Modified
8500 lb. Strictly Stock / Stock "A"
8000 lb. Hot Stock / Stock "B"
7500 lb. Modified
10,500 lb. Strictly Stock / Stock "A"
10,000 lb. Hot Stock / Stock "B"