Pontiac Firebird Differential Spool Replacement

10 Bolt with 30 Spline Teeth with GM 8.5 Axle

8.5 in. 10 Bolt; For Use w/28 Spline Axles GM 8.5 in.; For Use w/28 Spline Axles

8.5 in. 10 Bolt; For Use w/30 Spline Axles GM 8.5 in.; For Use w/30 Spline Axles

For GM 8.5" (10 Bolt); 30 Spline; Full Spool; Steel; 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

For GM 8.5" (10 Bolt); 28 Spline; Full Spool; Steel; Requires Use Of Bearing LM501349 And Race LM501314; 45 Degree Pressure Angle; C-Clip Eliminator Required

For GM 8.875" (12 Bolt); 30 Spline; Full Spool; 45 Degree Pressure Angle; C-Clip Eliminator Required; Steel

with 28 Spline Teeth with GM 7.5 & 7.6 Axles

with 26 Spline Teeth with GM 7.5 & 7.6 Axles

For GM 8.5" (10 Bolt); 28 Spline; Full Spool; Steel; Requires Use Of Bearing LM501349 And Race LM501314; 45 Degree Pressure Angle; C-Clip Eliminator Required

10 Bolt with 28 Spline Teeth with GM 8.5 Axle

8.875 in. 12 Bolt; For Use w/30 Spline Axles GM 12 Bolt Passenger Car; For Use w/30 Spline Axles

28 Spline GM 7.5 in. and 7.6 in.; 28 Spline

For GM 8.875" (12 Bolt); 35 Spline; Full Spool; C-Clip Eliminator Required; Steel

For GM 8.5" (10 Bolt); 33 Spline; Full Spool; Steel; 45 Degree Pressure Angle; C-Clip Eliminator Required

7.5 in. 10 Bolt; For Use w/26 Spline Axles GM 7.5 in.; For Use w/26 Spline Axles

8.875 in. 12 Bolt; For Use w/30 Spline Axles; 4.10 Ratio And Up GM 12 Bolt Passenger Car; For Use w/30 Spline Axles; 4.10 Ratio And Up

8.6 in./8.5 in. 10 Bolt; For Use w/30 Spline Axles; Steel GM 8.5 in.; For Use w/30 Spline Axles; Steel