The Kryptonite Lower Ball Joint KR0351 is a premium-quality replacement for the ball joint in your Dodge Ram 2500/3500 4WD. This ball joint can endure the harshest terrain and yet perform flawlessly because it is made for heavy-duty use. This ball joint has been coated with a durable Black Oxide material to guard against corrosion and preserve functionality. Pre-greased with superior-quality grease, Kryptonite ball joints have been set up for installation. Features: Serviceable Grease Port Direct Press in Replacement Ball Joint Come Pre-Greased Oversize Heavy-Duty Internals Heat treated 4140 Chromoly Stud Improved Strength and Rigidity over OEM Made in the USA WARRANTY INFO: Lifetime Note: OEM spec ball joints. These are Not suitable replacements if knurled ball joints have been installed.