K77-100077, Core made of High-Carbon AISI 52100 Chromium Alloy Steel features higher wear resistance, fatigue strength and steel hardness, TQ powdered metal gusher bearing design enables grease to flow through the stud for reduced friction and enhanced strength and stability, Premium quality MolyPro™ NLGI Grade 2 Molybdenum Grease (MoS2) to minimize wear and reduce friction providing longer lasting performance, Premium cover plate design allows for tighter tolerances vs traditional cover plate designs, providing a more durable and extended life for the ball joint, Exclusive multi-lip seals are made with ProSeal™ Nitrile Rubber (NBR) which can successfully function at high delta of temperatures while retaining its flexibility and sealing performance, TQ engineered steel composition results in a stronger component. Our full-ball metal stud provides smooth, consistent, rotational movement resulting in more responsive steering, Inner rings are made of Case-Hardened Steel for improved resistance to surface wear and contact fatigue, Kit Includes: 2x Front Kugel Wheel Bearing (Both Side) + 2x Front Outer Top Quality Steering Tie Rod End (Both Side), Kit Variations: K77-100456 K7T-100143 K7T-100885 K7T-108390 K7T-108411 K7T-108451 KBB-100283 KBB-101480 KBB-101784 KBB-102091 KBB-102421 KBB-102777 KBB-115505 KBB-115580 KBB-115656 KBB-117664 KBB-118210 KBB-118552