Changes for 2009 in RED font

TRACTORS
• 6200# Limited Modified Tractors
  525 Cubic Inch single engine limit (No Diesel)

• 6500# Modified Tractors
  1,2, or 3 engines possible here

• 7500# Open Modified Tractors
  Any combination of engines

PICKUPS
• Pro-Stock 4x4 Pickups 6200#
  480 Cubic Inch Limit

• Super-Stock 4x4 Pickups 6200#
  530 Cubic Inch Limit

• Open Modified 4x4 Pickups 6200#
  650 Cubic Inch Natural Aspirated
  440 Cubic Inch with 6-71 super charger Limit

• Modified 2wd Pickups 6200#
  575 Cubic Inch Blown Limit

• Street Diesel 4x4 Pickups 8000#
  Factory drive train with fueling mods. Must be licensed