Mopar P5155760 Chromoly axle shafts meet the exacting demands of off-road. Each axle shaft is engineered to deliver added strength and durability and utilizes SAE-4340 nickel Chromoly. This material provides additional toughness, high-temp strength, abrasion resistance, and the ability to maintain a specified hardenability. Hit the off-road trail with confidence, knowing that you are equipt with Mopar performance driveline products.