1977 GMC C25 equipped with 7.4L V8 Gas OHV, 6.6L V8 Gas OHV, 5.7L V8 Gas OHV, 5.0L V8 Gas OHV, 4.8L L6 Gas OHV, 4.1L L6 Gas OHV
2
Rear
10.5 in. Ring Gear Optional Repair Sleeve Rear Drum RWD
1977 GMC C25 equipped with 7.4L V8 Gas OHV, 6.6L V8 Gas OHV, 5.7L V8 Gas OHV, 5.0L V8 Gas OHV, 4.8L L6 Gas OHV, 4.1L L6 Gas OHV
Rear
10.5 in. Ring Gear Optional Repair Sleeve Rear Drum RWD