CV Boot Kit - Front/Rear Inner/Outer | Middle Outer 40% higher tensile strength and 50% more abrasion resistant than conventional material, suitable for the high joint angles and demands of today's AT and UT, Kits include two stainless steel clamps that are designed to be tightened without the use of special tools, Lithium-based molybdenum grease ensures good lubrication for long CV joint life