The 7-0081 CV ball kit, compatible with the 1310 and 1330 series, is a greaseable version. It has a stud bore diameter of 0.500 inches and a ball diameter of 1.125 inches. The seal features an outer diameter of 1.450 inches and a height of 0.380 inches, providing additional durability and ease of maintenance in CV joint assemblies for this series.