Pontiac Firebird Differential Carrier Gear Kit Replacement

with Open Differential 12 Bolt with 30 Splines with GM 8.875 Axle

with 28 Splines with GM 7.625 Axle with Open Differential

For GM 7.625" (10 Bolt); 28 Spline; 1.2" Spline Diameter; Open; Includes Side And Pinion Gears, Washers, Pinion Shaft And Lock Bolt Or Roll Pin

For GM 8.5" (10 Bolt); 28 Spline; 1.2" Spline Diameter; Open; Includes Side And Pinion Gears, Washers, Pinion Shaft And Lock Bolt Or Roll Pin

with GM 8.875 Axle 12 Bolt with 30 Splines with Eaton Positraction

with 30 Splines with GM 8.5 Axle with Open Differential

For GM 8.875" (12 Bolt); 30 Spline; 1.3" Spline Diameter; Open; Includes Side And Pinion Gears, Washers, Pinion Shaft And Lock Bolt Or Roll Pin

with 28 Splines with GM 8.5 Axle with Open Differential

with 28 Splines with Dura Grip Positraction with GM 7.5 & 7.6 Axles

with 26 Splines with Dura Grip Positraction with GM 7.5 & 7.6 Axles

with 30 Splines with Eaton Positraction with GM 8.5 Axle