Core made of High-Carbon AISI 52100 Chromium Alloy Steel features higher wear resistance, fatigue strength and steel hardness, 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 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 link kit, 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, 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, Inner rings are made of Case-Hardened Steel for improved resistance to surface wear and contact fatigue, Kit Includes: 2x Front Kugel Wheel Bearing and Hub Assembly (Both Side) + 2x Front TOR Suspension Stabilizer Bar Link Kit (Both Side), Kit Variations: K77-100216 K77-100383 K77-100909 K77-102047 K77-102057 K77-102199 K77-102425 K77-102429 K77-102456 K7T-100446 K7T-101997 K7T-108661 K7T-108758 K7T-109249 K7T-110854 K7T-110898 K7T-111074