This B&W Turnoverball Gooseneck Hitch is compatible with 2013 Ram 2500 Gas Engine Trucks, 2013 Ram 2500 Mega-Cab Trucks, 2010-2012 Ram 2500 & 3500 Gas Engine Trucks, 2006-2012 Dodge/Ram 1500, 2500, & 3500 Mega-Cab Trucks. Specifications•Installation Position: Under-Bed•Gross Trailer Weight: 30000 Pound•Gross Tongue Weight: 7500 Pound•Hitch Ball Size: 2-5/16 InchFitment•2013 Ram 2500 Gas Engine Trucks•2013 Ram 2500 Mega-Cab Trucks•2010-2012 Ram 2500 & 3500 Gas Engine Trucks•2006-2012 Dodge/Ram 1500, 2500, & 3500 Mega-Cab Trucks Under Bed Stow-A-Way Ball Includes Side Plates, Cross Members Mounting Hardware, Center Section, 2-5/16 Inch Ball, Release Handle, Safety Chain U-Bolt Kit | B&W Turnoverball Gooseneck Hitch, 2013 Ram 2500 Gas/Mega-Cab, 2010-2012 Ram 2500 & 3500, 2006-2012 Dodge/Ram