This is a COMPLETE re-ratio kit for your 2002 - present Dodge Ram 1500 4x4. This kit is 4.56 ratio for those of you that are running 34 to 36 inch tires. Top quality MOTIVE GEAR ring and pinion sets for the front and rear along with two complete Motive Gear bearing, seal and install kits. Everything required to install these 4.56 ring and pinions in your ride, (except for tools and ambition!) Questions? Need a different ratio? Call our tech help line 1-877-614-GEAR we've got it in stock!