Emma Indoor Raceway
2026/2027 Season
Wing Kart Classes (NO PREP)
Tires: Hoosier treaded tires are required on all four corners; right-rear must be a D50 or D55 with a minimum durometer reading of 50.
R-Box Stock Wing– 5-8 / 4 cycle / 285# (green plate)
R-Box Stock Wing Pro – 5-8 / 4 cycle / 285# (green plate)
Blue Plate R-Box ll Stock Wing– 8-12 / 4 cycle / 300# (blue plate)
Blue Plate R-Box ll Stock Wing Pro – 8-12 / 4 cycle/300# (blue)
Box Stock Wing – 8-14 / 4 cycle / 315#
Box Stock Wing Pro – 8-14 / 4 cycle / 315#
Flat Karts
Kid Classes
Rookies (5-7 yrs old 8 if have never raced before) Must be 5 to start! ( NON-COMPETITIVE )
235 lbs.
.375 Red Plate
Big pipe
AKRA engine rules only
Jr. 1 Light (8-11 yrs)
250 lbs.
.425 Green Plate
Big pipe
AKRA engine rules only
Jr. 1 Heavy (8-11 yrs) Core Class – must run this class in order to run the light class
265 lbs.
.425 Green Plate
Big pipe
AKRA engine rules only
Jr. 2 Light (12-15 yrs.)
295 lbs.
.500 Purple Plate
Big pipe
AKRA engine rules only
Jr. 2 Heavy (12-15 yrs.) Core Class – must run this class in order to run the light class
310 lbs.
.500 Purple Plate
Big pipe
AKRA engine rules only
Adult Classes
AKRA engine rules only
Big Pipe
Age 15+
Clone Light 340#
Clone Medium 370#
Clone Heavy 400# (No driver weight)
Open – N/A# (Methanol or pump gas) must run muffler
Predator Classes
Predator Light 340#
Predator Heavy 370#
Predator Treaded 370#
Age: 15+
Drum clutch
Open tire
Treaded class is NO PREP and tires must be manufactured treaded
**Classes may be added or deleted
