All Balls Racing - CV Boot Repair Kit (19-5024)The All Balls CV boot material is compounded from an OEM grade DCR66 rubber that is formulated specifically for the demanding requirements of today's ATV's and UTV'S. Easier to install than most OEM and aftermarket boots 40% higher tensile strength than conventional CV boot material, suitable for the high joint angles of today's ATV's and UTV's 50% more abrasion resistant than conventional CV boot material to assure long life in today's harsh off road