Differential Spool
For GM 8.5" (10 Bolt); 30 Spline; Full Spool; 2.73 Carrier and Up; 1999 And Later Requires Use Of Bearing LM603049 And Race LM603012; 1998 And Earlier Use Bearing LM102949 And Race LM102911; 45 Degree Pressure Angle; C-Clip Eliminator Required