The TeraFlex standard FlexArm joint rebuild kit includes all required replacement components to rebuild all four lower standard TeraFlex FlexArms. Depending on vehicle driving condtions, grit, grime, dust and fluids all take their toll on the tolerances of the bushings. To keep the joint functioning correctly it is necessary to rebuild the joint periodically and restore the joint to top working condition. This kit includes 8 zinc plated bushing sleeves and 16 urethane bushings.