Pro Modified:
· Weight Class: 1250 lb.
· Age limit on class participation: 12 years old and/or physically capable of being in full control of their tractor unassisted.
· Fuel: Alcohol or gasolines are allowed. No Nitrated or Oxidized fuels allowed.
· Naturally aspirated engines only. All 2 and 4 stroke motors. (i.e. Snowmobile, watercraft motorcycle, etc.)(Intent of rule, no turbo or superchargers.)
· Maximum engine size: 750 cc block stamp.
Super Modified:
· Same as the Pro Modified with the following exceptions:
o Weight Class: 1350 lb
Maximum engine size: 1225 cc block stamp ment-->