This ball joint will fit Kryptonite upper control arms for any year or model truck, also Cognito, FTS, CST, Fabtech, and many other upper control arms with a bolt in upper ball joint. Heavy Duty Thick Rubber boot provides extreme protection against the elements for longer ball joint life. Exclusive Grease relief port makes keeping these joints lubricated properly nice and easy. Largest Ball Stud on the market, and the most angle clearance available. All of Kryptonite ball joints and rod ends come pre-greased with premium Chevron Ultra EP2 Grease and are ready to install. Servicing will be done every 7-10k miles. (A small amount of grease is needed per joint, do not over grease) These Ball Joints are compatible anywhere Moog K6292 is required. | Vehicle Compatibility: Fits 1988-Current 1500HD, 2500HD, 3500 trucks | Note: This is a popular Bolt on Style Ball Joint for many aftermarket applications. *GM 1500 Truck Owners; This Ball Joint is only compatible with trucks originally equipped with Aluminum or Stamped Steel Control Arms ONLY!