Precision-machined and heat-treated solid chromoly steel center shaft, cages and ball bearings up to 35% strongerHighest quality, most reliable, and toughest constant-velocity (CV) axles on the marketInduction heat-treated joints with premium heavy-duty, high-temperature moly greaseDesigned to withstand the most rigorous conditions and terrainPrecision-rolled splines and threads improve fitment and wearTPE dust boots for superior tear and puncture resistanceTorture-tested to failure to ensure maximum durabilityExceeds OEM quality in fit, form and functionSecure stainless steel dust boot clampsFully assembled for easy installation