Exceed OEM quality in fit, form and function. Torture tested to failure to ensure maximum durability. Designed to withstand the most rigorous conditions and terrain. Highest quality, most reliable, and toughest constant velocity axles on the market. Precision machined and heat treated solid chromoly steel center shaft, cages and ball bearings up to 35% stronger. Induction heat treated joints with premium heavy-duty, high temperature moly grease. Precision rolled splines and threads improve fitment and wear. High-strength, spring steel retaining clips (where required). TPE dust boots for superior tear and puncture resistance. All new dust rings and guards (where required). Secure stainless steel dust boot clamps. Fully assembled for easy installation.