Held twice a year (see timeline for exact dates and times). Five classes. 1st, 2nd, and 3rd in each class receives an award.
Street Class: 35" and under
Super Street Class: 35" and under with less than 14" of vacuum
Modified Class: 36" to 40"
Super Modified Class: 36" to 40" with less than 14" of vacuum
Open Class: over 40"