1991 GMC C2500 equipped with 7.4L V8 Gas OHV, 6.2L V8 Diesel OHV, 5.7L V8 Gas OHV, 5.0L V8 Gas OHV, 4.3L V6 Gas OHV
1
Rear
8.5 In. Ring Gear 8.625 In. Ring Gear
1991 GMC C2500 equipped with 7.4L V8 Gas OHV, 6.2L V8 Diesel OHV, 5.7L V8 Gas OHV, 5.0L V8 Gas OHV, 4.3L V6 Gas OHV
Rear
8.5 In. Ring Gear 8.625 In. Ring Gear