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
1
Rear
with 8.5 (in) Ring Gear with Spicer 44-1 Axle
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
Rear
with 8.5 (in) Ring Gear with Spicer 44-1 Axle