TOR exclusive USA-engineered powdered metal gusher bearing design enables grease to flow through the bearing to the stud for reduced friction and enhanced strength and stability, Premium cover plate design allows for tighter tolerances vs traditional cover plate designs, providing a more durable and extended life, TOR engineered steel composition results in a stronger component. Our full-ball metal stud provides 36 degrees of smooth, consistent, rotational movement resulting in more responsive steering, Includes a TOR exclusive anti-drainback design to control lubrication flow and prevent dry start up, Needle bearings and snap rings are sourced from an original equipment supplier for proper hardness and load distribution, Nitrile rubber grease seals use a compressed double lip design to ensure more effective protection from contaminants and are purgable for longer life, Seals utilize stringent multifaceted SAE performance standards to ensure consistently high quality, Manufactured with CNC tooling, automated grinding and assembly lines for increased consistency, Part Reference Numbers : BK8700 PA8700PR PA8700XL PA8700 GK8700 MK8700 K8700 190150 2681666 TK8700