This Ball Joint Package is designed specifically for heavy-duty use, they will handle the toughest work that you can throw at them while delivering excellent performance. This Ball joint has a durable Black Oxide Finishing on it to resist corrosion and maintain performance integrity. All of our ball joints and rod ends come pre-greased and ready to install with premium Chevron Ultra EP2 Grease. Features: Heat treated 4140 Chromoly Stud Oversize Heavy Duty Internals Serviceable Grease Port Improved Strength and Rigidity over OEM Direct Press in Replacement Made in the USA Includes: 2- Kryptonite Lower ball joints (Part# KR7467) 2- Kryptonite Upper ball joints (Part# KR0316) Fitment: 2003-2007 Ram 2500 4x4 5.9L Cummins Diesel 2003-2007 Ram 3500 4x4 5.9L Cummins Diesel 2007.5-2013 Ram 2500 4x4 6.7L Cummins Diesel 2007.5-2013 Ram 3500 4x4 6.7L Cummins Diesel (Kryptonite No Fine Print Lifetime warranty) -Kryptonite steering and suspension components are warrantied for life to their original purchaser. This warranty is against any manufacturer defects, premature wear or breakage. Race it, jump it, off road it, wreck it, lift it, I think you get ite don't care. If you can break it we will replace it. Warranty Excludes Heim Joints.