Precision machined and heat treated solid chromoly steel center shaft, cages and ball bearings up to 35% strongerInduction heat treated joints with premium heavy-duty, high temperature moly greaseHighest quality, most reliable, and toughest constant velocity axles on the marketDesigned to withstand the most rigorous conditions and terrainTorture tested to failure to ensure maximum durabilityExceeds OEM quality in fit, form and function