1.22 Traction Control Devices (Late Model)
a) All traction control devices utilizing wheel sensors, automated brake controls or any means of measuring ground speed to control wheel spin are strictly prohibited.
b) Adjustable ping control devices, dial a chip controls, timing controls, or automated throttle controls are NOT permitted in the cockpit or any other position accessible to the driver.
c) Any remote controlled components inside or outside the cockpit of any competitor’s race car are NOT permitted.
d) No data acquisition systems are permitted.
e) Any competitor found with any of the above will be fined, will be disqualified and could be suspended for up to a year.
http://www.dirtmotorsports.com/corp/images/media/2006LateModelRules1.04.2.pdf