1966 GMC 3500 equipped with 5.7L V6 Gas OHV, 5.0L V6 Gas OHV, 4.8L L6 Gas OHV, 4.6L V8 Gas OHV, 4.1L L6 Gas OHV
2
with Rockwell T221 Transfer Case 2 Speed
1966 GMC 3500 equipped with 5.7L V6 Gas OHV, 5.0L V6 Gas OHV, 4.8L L6 Gas OHV, 4.6L V8 Gas OHV, 4.1L L6 Gas OHV
with Rockwell T221 Transfer Case 2 Speed