Differential Spool
for GM 8.5" (10 Bolt); 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
Differential Spool
for GM 8.5" (10 Bolt); 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