We are an authorized Yukon dealer. This kit fits 2003-2008 Dodge Ram 3500 Series trucks with dual rear wheels and the AAM 9.25 4X4 front axle. This kit greatly reduces rotating wear in the transfer case and front driveline. Shipping is FAST and FREE in the continental U.S. 
The Yukon worry free Spin Free Kit replaces the vulnerable and expensive factory unit bearings with tapered bearings and races. The result is not only a design which is easier and more economical to service, but one that offers significant increases in mileage per gallon. This hub kit also includes low-profile Yukon Hardcore premium locking hubs, giving you more driving selectability.