The Dynatrac Free-Spin™ Heavy-Duty Hub Conversion Kit for 2000-2008 Dodge 2500 and 3500 trucks is designed replace the factory unit bearings with fixed spindles for superior strength, and smooth performance. This kit includes DynaLoc™ locking hubs, providing improved locking hub function, greater strength and a shorter profile for better clearance that reduces the chance of hub impacts on the trail. Read more about DynaLoc hubs here.
Free-Spin Hub Conversion Kits include these features:
With the Dynatrac DynaLoc hubs, the Free-Spin Kit offers the shortest hub stickout length on the market, keeping the hubs tucked inside the wheel and tire package better than competitors.
Dynatrac Free-Spin Hub Conversion Kits are the only 100-percent U.S.-made kits available.
Here is an overview of the Dynatrac Free-Spin Hub Conversion Kits that replace problematic unit bearings in Ford Super Duty and Dodge Heavy Duty 2500/3500 4x4 trucks for improved durability and fuel economy. The kit is made in the USA, it was the first one developed and it is still the best you can install on your truck.