Pontiac Firebird Differential Replacement

28 Spline; 1.20 in. Axle Shaft Diameter; 3.23 And Up Ring Gear Pinion Ratio; 7.5 in./7.625 in.

26 Spline; 1.16 in. Axle Shaft Diameter; 3.23 And Up Ring Gear Pinion Ratio; GM 7.5 in.

26 Spline; 1.16 in. Axle Shaft Diameter; 3.08 And Down Ring Gear Pinion Ratio; 7.5 in.

30 Spline; 1.32 in. Axle Shaft Diameter; 2.73 And Up Ring Gear Pinion Ratio; Rear 8.5 in./8.6 in. GM 8.5/8.6 in. Eaton Differentials Require Special Bearings~Axles w/Small Bearing Bores OD 2.89 in. Req. PN[LM-102949/LM-102911]~Axles w/Large Bearing Bores OD 3.06 in. Req. PN[LM603049/LM603012]

26 Spline; 1.16 in. Axle Shaft Diameter; 3.23 And Up Ring Gear Pinion Ratio; 7.5 in.

28 Spline; 1.20 in. Axle Shaft Diameter; 2.73 And Up Ring Gear Pinion Ratio; 8.5 in. GM 8.5/8.6 in. Eaton Differentials Require Special Bearings~Axles w/Small Bearing Bores OD 2.89 in. Req. PN[LM-102949/LM-102911]~Axles w/Large Bearing Bores OD 3.06 in. Req. PN[LM603049/LM603012]

30 Spline; 1.29 in. Axle Shaft Diameter; 3.08 - 3.90 Ring Gear Pinion Ratio; Rear 8.875 in. Designed To Fit Axles Cut w/45deg. Pressure Angles

33 Spline; 1.41 in. Axle Shaft Diameter; 3.08 - 3.90 Ring Gear Pinion Ratio; Rear 8.875 in.

30 Spline; 1.32 in. Axle Shaft Diameter; 2.73 And Up Rng Gear Pin. Rat;Manual Locking Hubs Are Recomnd For Some Appl.; 8.5 in./8.6 in. GM 8.5/8.6 in. Eaton Differentials Require Special Bearings~Axles w/Small Bearing Bores OD 2.89 in. Req. PN[LM-102949/LM-102911]~Axles w/Large Bearing Bores OD 3.06 in. Req. PN[LM603049/LM603012]

28 Spline; 1.23 in. Axle Shaft Diameter; 3.08 And Up Ring Gear Pinion Ratio; 8.2 in.

30 Spline; 1.29 in. Axle Shaft Diameter; 3.08 - 3.90 Ring Gear Pinion Ratio; Rear 8.875 in.

28 Spline; 1.20 in. Axle Shaft Diameter; 2.73 And Up Rng Gear Pin Rat; Manual Locking Hubs Are Recomded For Some Application; 8.5 in. Axles w/Small Bearing Bores OD 2.89 in. Req. PN[LM-102949/LM-102911]~Axles w/Large Bearing Bores OD 3.06 in. Req. PN[LM603049/LM603012]

28 Spline; 1.20 in. Axle Shaft Diameter; 3.23 And Up Ring Gear Pinion Ratio; Rear 7.5 in./7.625 in./8.5 in./8.6 in.; Rear 9.5 in.

30 Spline; 1.29 in. Axle Shaft Diameter; 4.10 And Up Ring Gear Pinion Ratio; Rear 8.875 in.

26 Spline GM 7.5 in.; 26 Spline~Yukon Dura Grip Positraction; GM 7.5 in. Rear; 3.23 & Up Ratios; 26 Spline

33 Spline; 1.41 in. Axle Shaft Diameter; 4.10 And Up Ring Gear Pinion Ratio; Rear 8.875 in. Designed To Fit Axles Cut w/45deg. Pressure Angles

28 Spline; 1.25 in. Axle Shaft Diameter; 3.36 And Up Ring Gear Pinion Ratio; Rear 8.2 in.

30 Spline; 3.08 - 3.90 GM 12 Bolt Passenger Car; 30 Spline; 3.08 - 3.90~Yukon Dura Grip Positraction; GM 12 Bolt Passenger Car; 30 Spline; 3.08 - 3.90 Ratio

28 Spline; 2.73 And Up GM 8.5 in.; 28 Spline; 2.73 And Up~Yukon Dura Grip Positraction / Limited Slip; GM 8.5 in. Rear; 28 Spline; 2.73 And Up; 1.781 in. Bearing Journal

8.6 in. 10 Bolt; 30 Spline; 2.73 And Up GM 8.5 in.; 30 Spline; 2.73 And Up~Yukon Dura Grip Positraction / Limited Slip; GM 8.5 in. Rear; 30 Spline; 2.73 And Up; 1.781 in. Bearing Journal

7.625 in. 10 Bolt; 28 Spline GM 7.5 in. and 7.6 in.; 28 Spline~Yukon Dura Grip Positraction; GM 7.5 in. & 7.625 in. Rear; 3.23 & Up Ratios; 28 Spline

30 Spline; 4.10 And Up GM 12 Bolt Passenger Car; 30 Spline; 4.10 and up~Yukon Dura Grip Positraction; GM 12 Bolt Passenger Car; 30 Spline; 4.10 and up Ratio

GM 12 Bolt Passenger Car; 33 Spline; 4.10 and up~Yukon Dura Grip Positraction; GM 12 Bolt Passenger Car; 33 Spline; 4.10 and up Ratio

8.875 in. 12 Bolt; 33 Spline; For 3.08 - 3.90 GM 12 Bolt Passenger Car; 33 Spline; For 3.08 - 3.90~Yukon Dura Grip Positraction; GM 12 Bolt Passenger Car; 33 Spline; 3.08 - 3.90 Ratio

8.2 in.; 28 Spline Axles GM 8.2 in.; Buick; Oldsmobile and Pontiac; 28 Spline Axles~Yukon Dura Grip Positraction; GM 8.2 in. Buick. Oldsmobile and Pontiac Rear; 28 Spline; Limited Slip

26 Spline; 1.16 in. Axle Shaft Diameter; 3.23 And Up Ring Gear Pinion Ratio; 7.5 in.

30 Spline; 1.32 in. Axle Shaft Diameter; 2.73 And Up Ring Gear Pinion Ratio; Rear 8.5 in.; Rear 8.6 in. Axles w/Small Bearing Bores OD 2.89 in. Req. PN[LM-102949/LM-102911]~Axles w/Large Bearing Bores OD 3.06 in. Req. PN[LM603049/LM603012]

2.73 Gear Ratio And Up GM 8.5 in.; 2.73 Gear Ratio And Up~GM 8.5 in.; Yukon Grizzly Locker; 2.73 Gear Ratio And Up; 1.78 in. Bearing Journals; Uses LM102949/ LM102911 Carrier Bearings

28 Spline; 1.20 in. Axle Shaft Diameter; 2.73 And Up Ring Gear Pinion Ratio; 8.5 in.

30 Spline; 1.32 in. Axle Shaft Diameter; 2.73 And Up Ring Gear Pinion Ratio; 8.5 in./8.6 in. GM 8.5/8.6 in. Eaton Differentials Require Special Bearings~Axles w/Small Bearing Bores OD 2.89 in. Req. PN[LM-102949/LM-102911]~Axles w/Large Bearing Bores OD 3.06 in. Req. PN[LM603049/LM603012]

Selectable Full Locker w/Limited Slip; For Use w/2.73-Up Ratio; 28 Spline 8.5 in. (10 Bolt)

Selectable Full Locker w/Limited Slip; For Use w/4.10-Up Ratio; 4 Series Case; 30 Spline 8.875 in. (12 Bolt)

Selectable Full Locker w/Limited Slip; For Use w/3.07-3.73 Ratio; 3 Series Case; 30 Spline 8.875 in. (12 Bolt)

Currie Performance 31 Spline Axles; Multi-Leaf Spring Pads

Currie Performance 31 Spline Axles; Mono-Leaf Spring Pads

Currie Performance 31 Spline Axles; Mono-Leaf Spring Pads

3 x .188 in. Wall DOM Axle Tubes

54.75 in. Width For Mini Tubs

3 x .188 in. Wall DOM Axle Tubes

Currie Performance 31 Spline Axles; Pro Touring Floater Ends w/Unit Bearings

Currie Performance 31 Spline Axles