1979 GMC K3500 equipped with 7.4L V8 Gas OHV, 6.6L V8 Gas OHV, 5.7L V8 Gas OHV, 4.8L L6 Gas OHV
2
Rear
2-23/32 (in) Inside Diameter x 4-7/16 (in) Outside Diameter with 8 Bolt Holes
1979 GMC K3500 equipped with 7.4L V8 Gas OHV, 6.6L V8 Gas OHV, 5.7L V8 Gas OHV, 4.8L L6 Gas OHV
Rear
2-23/32 (in) Inside Diameter x 4-7/16 (in) Outside Diameter with 8 Bolt Holes