1981 GMC G2500 equipped with 5.7L V8 Gas OHV, 5.0L V8 Gas OHV, 4.1L L6 Gas OHV
1
Rear
10 Bolt Differential Cover 2.76 Rear Axle Ratio and Greater 28 Spline 8.5 In. Ring Gear w/RPO Code G80 (Positraction/Limited Slip) RWD
1981 GMC G2500 equipped with 5.7L V8 Gas OHV, 5.0L V8 Gas OHV, 4.1L L6 Gas OHV
Rear
10 Bolt Differential Cover 2.76 Rear Axle Ratio and Greater 28 Spline 8.5 In. Ring Gear w/RPO Code G80 (Positraction/Limited Slip) RWD