Eliminates & Out Performs Grease PERFORMANCE FEATURES DUAL SURFACE DESIGN * Dramatically Reduces Friction by 75% * Works Constantly, Consistently, 24/7 * Significant Load Bearing Area * Rotating Disc Efficiently Distributes Load * Maximizes Bearing Surface & Strength * Eliminates “Steel Grinding On Steel” ENGINEERED SELF-LUBE SURFACE * Modified UHMW Rotating Disc * Large Diameter, Self Lube Surface * Eliminates Greasing – Period ANTI-CORROSION RETENTION RING * Seals to Protect Against Contaminants * Secure Mounting, No Sagging - Ever STAINLESS STEEL PROTECTION PLATE * Ensures Smooth Upper Coupler Surface * Provides Extra Anti-Corrosion Protection SOLID UPPER COUPLER CONSTRUCTION * Custom Sized to Trailer OEM Specifications * High Strength, Solid Weld Construction * Steel or Aluminum, “Built-In or Bolt-On” AAR APPROVED KINGPIN * Fully Tested & AAR Approved * Replaceable Bolt-On Kingpin Option Available UNSURPASSED WARRANTY * 10 Year or 1,000,000 mile Limited Warranty