Dana 44 Extreme Duty Axle U-Joints Alloy USA Dana 30/44 Extreme Duty Axle U-Joints; Replaces D/S 5-297X U-Joint; Cold Forged Steel Composition Of Chromium, Molybdenum And Nickel Alloy; Case Hardened For Excellent Wear Resistance; Full Circle Clips As Well As Half Clips Included; Inside Snap Ring; Cup Size= 1.188in; Snap Ring To Snap Ring= 2.188in with Lubeable with Highway Rated Alloy USA Alloy USA Dana 44 Extreme Duty Axle U-Joints - 11500 11500 Front Axle U-Joints