Information?? High quality chassis partseries products. Made with high strength steel tubing for superior strength and durability. Stable performance, reliable quality and long service life Uniform thickness, no blow holes, slag, cracks, tearing, or incomplete fusion. Measured by specialized inspection tools after welding to make sure assemble hole , bushings insert, and installation sizes are proper. Professional InstallerisHighly Recommended(No Instruction Included) Alignment Highly Recommended After InstallCompatibility Chart?? For 2003-2008 Dodge Ram 2500 3500 4×4 w/ 5.9L 6.7L Diesels For 2003-On V10 8.0L w/ NP271 NP273 Transfer Cases Note: will not fit NP241 Transfer Cases For 2008 Dodge Ram 2500 Laramie, SLT, ST, SXT 5.9L L6 – Diesel, 6.7L L6 – Diesel For 2008 Dodge Ram 3500 Laramie, SLT, ST 5.9L L6 – Diesel, 6.7L L6 – Diesel For 2007 Dodge Ram 2500 Laramie, SLT, ST, Sport, TRX4 5.9L L6 – Diesel, 6.7L L6 – Diesel For 2007 Dodge Ram 3500 Laramie, SLT, ST, Sport, TRX4 5.9L L6 – Diesel, 6.7L L6 – Diesel For 2006 Dodge Ram 2500 Laramie, SLT, ST 5.9L L6 – Diesel For 2006 Dodge Ram 3500 Laramie, SLT, ST 5.9L L6 – Diesel For 2005 Dodge Ram 2500 SLT, ST 5.9L L6 – Diesel For 2005 Dodge Ram 3500 SLT, ST 5.9L L6 – Diesel For 2004 Dodge Ram 2500 SLT, ST 5.9L L6 – Diesel For 2004 Dodge Ram 3500 SLT, ST 5.9L L6 – Diesel For 2003 Dodge Ram 2500 SLT, ST 5.9L L6 – Diesel, 8.0L V10 – Gas For 2003 Dodge Ram 3500 SLT, ST 5.9L L6 – Diesel, 8.0L V10 – GasPackage Content?? 1x Overdrive Extension Housing 4WD