Extra Info:

Yukon Gear & Install Kit package for 2003-2011 Ram 2500 and 3500, 4.88 ratio

Yukon gear packages provide an easy way to re-gear a four wheel drive vehicle with one simple part number.
2003-2011 Ram 2500 and 3500
4.88 ratio
9.25″ REV/ 11.5″ CHY
1 year warranty against Manufacturer defects
Technical Notes: The 11.5 rear inner pinion bearing changed mid year, 2003 to mid 2011 applications with inner pinion bearing race number HM807010 have a 4.125″ outside diameter. The mid 2011- 2013 rear applications with inner race number NP673386 have a 4.375″ outside diameter.