Stock class rules:
Tamiya Mini is TCS rules with the exception you can run Tamiya 60D tread tire or Spec tire.
http://www.tamiyausa.com/tcs/index.php
BRP Stock is V2M COT box kit 10/52 gears with Associated 370 motor and any 4aa battery pack.
Any questions please email me. Thanks
James McNees
[email protected]