This axle cover kit is for a Mack truck with an 8 bolt pattern. This axle cover kit is sold as a pair. Axle covers to stop the leakA unique design with an aluminum & neoprene clad material that consists of .063 aluminum & .080 neopreneThe neoprene is specially bonded to the aluminum to form a tight sealThe aluminum backing makes a durable but lightweight cover that can be used over & over againWe have designed several different sizes to fit most of the American made trucks on the road today, for the medium duty to the heavy dutyThe design also makes them easy to store when not in useSold in sets of 2 or a complete set of all sizes that are available
