Packed with high load molybdenum grease precision CNC machined. 10%-15% increase in CV joint size compared to regular joints. 15%-20% increase in diameter compared to regular axle. Dual heat treated high strength chromoly steel shaft. Thermoplastic polyester elastomer (TPEE) boot. Dual plunge design prevents axle from binding. Inner cage made up of 4340 chromoly steel. Tailor made to fit lift kits specified. Wider articulation angles. 1 year limited warranty.