Ball Joints are a moving part therefore a normal wear item on any vehicle. The Cognito design is a bolt in style ball joint that is very easy to replace on the Cognito ball joint style upper control arm kits.
This heavy-duty ball joint is a greaseable hardened alloy steel precision CNC machined joint. It is spring loaded so that any slight wear will be taken up and not affect its operation for maximum life.
This type of ball joint must be greased every 3,000 to 6,000 miles depending on driving terrain and conditions. Castle nut, cotter pin, grease fittings and boot are included. Does not include mounting hardware.