1986 GMC C3500 equipped with 7.4L V8 Gas OHV, 6.2L V8 Diesel OHV, 5.7L V8 Gas OHV, 5.0L V8 Gas OHV, 4.8L L6 Gas OHV
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8.5 In., 8.625 In., 8.75 In., or 8.875 In. Ring Gear
1986 GMC C3500 equipped with 7.4L V8 Gas OHV, 6.2L V8 Diesel OHV, 5.7L V8 Gas OHV, 5.0L V8 Gas OHV, 4.8L L6 Gas OHV
8.5 In., 8.625 In., 8.75 In., or 8.875 In. Ring Gear