1988 GMC R2500 equipped with 7.4L V8 Gas OHV, 6.2L V8 Diesel OHV, 5.7L 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
1988 GMC R2500 equipped with 7.4L V8 Gas OHV, 6.2L V8 Diesel OHV, 5.7L V8 Gas OHV, 4.8L L6 Gas OHV
8.5 In., 8.625 In., 8.75 In., or 8.875 In. Ring Gear