Dalton Clutches Clutch Kit - Adjustable DBO800M The ultimate in qualilty for riders who care about performance and want to get the most out of their equipment Extensive testing and exacting production standards create some of the best clutch tuning components in the industry. Focused on larger, extreme mud tires and heavy mud use Includes primary spring and the yellow/black secondary, along with mass adjustment rivets and detailed instructions for flyweight set up for various mud tires and applications