This kit is what's required to rebuild the uniballs in your Camburg upper arms or your Camburg spindles. The kit includes two FK 1.00" uniballs and two snap rings. These are made in the USA and are not some cheap imported parts. For optimum strength they are heat-treated and have a self-lubricating military grade PTFE liner internally for reduced stiction and noise. Having a 90,000 lbs. load rating, these are far stronger than OEM style ball-joints and cheaper or smaller uniball bearings.