Kryptonite 9920BJPACK Upper and Lower Ball Joint Package.For 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 201, 2014, 2015, 2016,2017, 2018, 2019, 2020, 2021 Ford 7.3L 6.0L 6.4L 6.7L Powerstroke, F250 F350 4WDIncludes: 2- Kryptonite Lower ball joints (Part# KR8607T) 2- Kryptonite Upper ball joints (Part# KR80026) 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 Description 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. (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 it? We don't care. If you can break it we will replace it.