Mile Marker 95-32721 Hub Conversion Spindle Nut Kit Dana 50/60 30-Spline

Heavy Duty Spindle Nut Kit for Dana 50 Dana 60 Mile Marker SPINDLE NUT KIT for Dana 50 and Dana 60 front axles is engineered to provide the correct heavy duty hardware required for manual locking hub installation and service in 3/4 and 1 ton applications. Designed for 30-spline internal mount configurations, this kit supports automatic to manual hub conversions where applicable and serves as a direct replacement for worn or damaged spindle hardware during hub maintenance or axle rebuilds. Proper spindle nut hardware is critical for maintaining correct wheel bearing preload, secure hub retention, and long term drivetrain durability under heavy loads. This kit includes dual bearing preload nuts, locking washers, and outer lock nuts necessary to properly secure manual hub assemblies. Compatible with Mile Marker 449SS hub applications, it provides installers with the correct components required to complete conversions or service correctly. Whether upgrading from factory automatic hubs or restoring existing manual hub systems, this spindle nut kit ensures precise fitment, reliable bearing adjustment, and dependable performance. Each kit includes hardware for two wheels, allowing complete front axle service. Heavy duty hardware for Dana 50 and Dana 60 manual hub conversion or service. Maintains proper bearing preload and secure hub retention. Compatible with Mile Marker 449 series manual locking hubs. Includes hardware for two wheels for complete axle service. Includes bearing 2 pre-load nuts, locking washers, and outer lock nuts