Car Body / Dimensions

Wheel Base : Any
Height : Not to exceed 3″ inches…
Length : Not to exceed 7″ inches…
Width : Not to exceed 2-3/4″ inches…
Weight : Not to exceed 5.0 ounces (143 grams) measured on 1/10th digital scale

Track Center Rail Height : 1/4″ inch ( 7mm ) *
Track Center Rail Width : 1 5/8″ inches (4.2 cm) *

* Wheels must clear the outside to outside center rail width measurement





a. No greater than 31mm wheel diameter

(Wheels will be checked with digital calipers if needed)

The following Modifications are not allowed
a. Starting or finish line devices
b. Electronic or lighting devices
c. Glass or extremely fragile parts
d. Paint that is wet, smudges or extremely sticky
e. Sharp objects, sandpaper or abrasives on the bottom of car (We do not want any damage to the rubber stopping pads)
f. Axles and/or wheels attached to any device that mechanically alters rotation and/or spin
g. Propellants
h. Any part of the car to go beyond the starting peg