Stock Pro (Street Pro)

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. Minimum diameter .084
b. Headless axles must measure .084 at the tip


Open Plastic Type

a. May be sanded, polished, CnCed and/or lathed
b. The tread / contact surface must remain flat and parallel to the bore as humanly possible
c. No Angling, Canting, Round Crowning, Tapering, H-ing, V-ing, Dishing the tread surface
d. No less than 7.50mm tread width
e. 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. Wheel Bearings
f. Sharp objects, sandpaper or abrasives on the bottom of car (We do not want any damage to the rubber stopping pads)
g. Axles and/or wheels attached to any device that mechanically or alters rotation and spin
h. Any part of the car to go beyond the starting peg (see photo below)
j. Propellants