Viper Scale Racing
This gauge is the perfect size to fit into your HO pit box. Size your front/rear tires from .324-.346″ in .002″ steps. more info
$7.99
This gauge is the perfect size to fit into your HO pit box. Size your front/rear tires from .416-.438″ in .002″ steps. more info
$7.99
These are a must-have for builders and racers - you can see what the front and rear tire contact patch looks like, and you can also see where the rail is riding along the entire car and watch how the... more info
$34.99
