No treated tires/ tire prep/soaking /solicitation of tire preps/ possession of tire preps allowed.
Tire sniffing –sample testing or confiscation of tires may happen nightly or randomly at the Race Directors discretion.

UMP Late Model:
Hoosier L/M 20 or L/M 40 ONLY!
L/M 20 – Must Durometer 40 minimum before race
L/M 40 – Must Durometer 60 minimum before race
No treated tires/ tire prep/soaking /solicitation of tire preps/ possession of tire preps allowed.
Tire sniffing –sample testing or confiscation of tires will be at the Race Directors discretion.

UMP Modified:
Hoosier E-Mod 26.5 or 27.5 “A or H” Compound ONLY!
Siping Will Be Allowed, No Grooving Allowed!
E-Mod “A” – Must durometer 45 minimum before race
E-Mod “H” – Must durometer 60 minimum before race
E-Mod compound “D’ Tires may be run on the front only Through June 1st

AARA/UMP Sportsman :
Hoosier E-Mod 26.5 or 27.5 “A or H” Compound
Siping & Grooving Will Be Allowed!
E-Mod “A” – Must durometer 45 minimum before race
E-Mod “H” – Must durometer 60 minimum before race
E-Mod compound “D’ Tires may be run on the front only Through June 1st

AARA PureStock/UMP Factory Stock:
OEM Passenger Car Tires only No Low Profile Tires or
Hoosier E-Mod 26.5 or 27.5 “A or H” Compound
Siping & Grooving Will Be Allowed!
E-Mod “A” – Must durometer 45 minimum before race
E-Mod “H” – Must durometer 60 minimum before race

Pro 4 Stock/ UMP Sport Compact:
OEM Passenger Car Tires only No Low Profile Tires
No Grooving or Siping Allowed
Must Maintain 30lbs Air Pressure Minimum At All Times!

TIRES IN ALL CLASSES SUBJECT TO INSPECTION AT ANYTIME!
NO SOFTENING OR CHEMICAL ALTERING ALLOWED!