Rugged Performance axles are assembled with high quality CV joints and a chromoly material center shaft. All axles are heat treated to increase strength and precision machined to meet or exceed OEM standard. Rugged axles are packed with high load moly grease to provide maximum lubrication and sealed with neoprene boots and stainless-steel clamps. Every Rugged axle is backed with a 1 year manufacturer's warranty. These are the best price point replacements to ensure you are never left out on the trail!!!!