The TeraFlex JK & TJ large FlexArm Joint boasts excellent off-road capabilities with articulation and durability. The chrome plated ball provides corrosion resitance and a smooth sliding surface to reduce bushingfriction and heat build up which extends maximum bushing life. Increased shoulder width provides secure mounting. The urethane bushing uses interlocking fingers to provide a flow-through grease channel for proper lubrication. Polyurethane material dampens vibrations and reduces road noise, eliminates clunks, and keeps proper position for maximum articulation during travel. The high strength forged housing is CNC machined to exacting tolerances for ultimate performance and durabilitiy. Zinc plating will ensure that these tolerances are maintained and preserved for the life of the rod end. This FlexArm joint utilizes a 1-1/4" x 12 tpi. right hand thread shank and accepts a 9/16" bolt.