Heavyweight Class | Rules Heads Up Racing N/T

Heavyweight Class | Rules

Class Type

1/4 mile Heads-Up Racing No Time

Class Index


Vehicles Allowed

  • Any 2003 and up LX/LC/LD Charger, Magnum, 300, Challenger, Jeep, Dodge/Ram Truck/Durango
  • All Drag Pak/Clone vehicles 2008 and up
  • Any year Chrysler, Dodge, Plymouth, Jeep, AMC powered by a GEN III Hemi Engine
  • Any Other NON-Chrysler manufactured vehicle powered with a GEN III Hemi Engine

Engines Allowed

  • 2003+ GEN III HEMI
  • Modern V-10 Chrysler Engine in drag pak only

Weight limits

  • 4400 lbs min weight with driver 
  • 4600 lbs min weight with driver for dual type power adder (twin turbo is a single type power adder)
  • 4300 lbs min weight with driver for nitrous only cars
  • N/A cars 3000 lbs min weight with driver

NOT Allowed Equipment

  • None


  • Drivers will cross over the scales after each pass during elims to ensure weight is verified by their competitor AND MSHS STAFF**Cars cannot go to the pits after a pass prior to weight verification.  Passing the scales after a pass during elims results in DISQUALIFICATION FROM THAT CLASS**  
  • .400 Pro Tree 
  • Random pairing with poker chip draw
  • **Forced Induction cars with Nitrous Systems installed will be treated as dual type power adder unless the bottle is removed and nitrous line is disconnected from Nitrous Solenoid.  NO EXCEPTIONS.**  This will be annotated on initial weigh in and enforced each round.  
  • **Cars that do not make weight for their configuration during elims are DISQUALIFIED FROM THAT CLASS**