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: K77-100494 K77-100732 K77-101160 K77-101835 K77-101882 K7T-100020 K7T-100944 K7T-102458 K7T-102856 K7T-107942 K7T-107963 K7T-108303 K7T-108375 KBB-100112 KBB-101339 KBB-101641 KBB-101934 KBB-102269 KBB-102620 KBB-115491 KBB-115568 KBB