Racing Rules and Guides for Mini4wd Racing
RacingRules
Box Stock Class: Rules & Regulations
View the strict rules for the Box Stock Class. Learn about genuine Tamiya kit requirements, stock motor regulations (Type 130), and our no-modification policy. Ensure your build is race-legal for the next Sydney event!
RacingRules
B-MAX GP Sydney Racing Rules
Building a race-legal Tamiya car? Check the official B-MAX 4.0s & Stock Class dimensions, chassis, and body rules for our premier Sydney race events.