You need to figure out what gears you have now - if you have 4.56's you may want to step up to the 5.38's: https://www.independent4x.com/mercha...roducts_id=369
.or: https://www.independent4x.com/mercha...roducts_id=225
You will be hard-pressed to find the 5.38's for the front tho. Missed that window... Unless of course you are thinking about the SAS...???????