Classes iok rock
IOK ROCK CLASSES
STOCK CLASS
33” & UNDER TIRES
MAX 1 ½” lift
MUST USE STOCK SUSPENSION
ie: if it had leaf springs it must still have leaf springs
No major modifications
STREET LEGAL
SUPER STOCK CLASSS
33”-35” TIRES
1 ½”-4” LIFT
LOCKERS
MID LEVEL MODIFICATIONS
ie: gears,hi-steer,adjusted wheelbase
Still must retain stock type suspension
ie: if it had leaf springs it must still have leaf springs
STREET LEGAL
PRO STOCK CLASS
35” OR LARGER TIRES
HIGHLY MODIFIED SUSPENSION
HIGHLY MODIFIED VEHICLE
NOT STOCK SUPENSION
GEARS & LOCKERS
HIGHLY MODIFIED, BUT STILL STREET LEGAL
*Street legal is defined as having body
panels and or a cab of a stock vehicle,
with the appearance of being road worthy.
MODIFIED CLASS
35” OR LARGER TIRES
HIGHLY MODIFIED VEHICLE
ANY SUSPENSION ANY MAJOR MODIFICATIONS
NO HYDRO STEER OR REAR STEER
NOT STREET LEGAL
SUPER MODIFIED CLASS
FULL TUBE BUGGY
NOT STREET LEGAL
ANY SIZE TIRE
HYDRO STEER
2-4 SEATER BUGGGY
NOT STREET LEGAL
PRO MODIFIED CLASS
FULL TUBE BUGGY
NOT STREET LEGAL
ANY SIZE TIRE
HYDRO STEER
REAR STEER
MOON BUGGY STYLE
ONE SEATER’S
NOT STREET LEGAL
*Street legal is defined as having body
panels and or a cab of a stock vehicle,
with the appearance of being road worthy.
