Wide articulation angles and dual plunge design prevents the axle from binding. Can fit 2″, 3″, 4″ and 5″ bracket lifts/portal gear lifts/a-arms of particular brands. 10% – 15% increase in CV joint size compared to regular joints. 15% – 20% increase in diameter compared to OEM axles. Dual heat treated high-strength chromoly steel shafts. Thermoplastic polyester elastomer (TPEE) boots. Boots packed with high-load molybdenum grease. Inner cage made up of 4340 chromoly material. Precision CNC machined.