1998 GMC K3500 equipped with 7.4L V8 Gas OHV, 6.5L V8 Diesel OHV Turbo, 5.7L V8 Gas OHV
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Front
FSGR with 3.42 or Higher Rear Axle Ratio with Empty Case with GM 8.25 IFS Axle with Open Differential
1998 GMC K3500 equipped with 7.4L V8 Gas OHV, 6.5L V8 Diesel OHV Turbo, 5.7L V8 Gas OHV
Front
FSGR with 3.42 or Higher Rear Axle Ratio with Empty Case with GM 8.25 IFS Axle with Open Differential