1973 GMC C15/C1500 Pickup equipped with 7.4L V8 Gas OHV, 5.7L V8 LPG OHV, 5.7L V8 Gas OHV, 5.0L V8 Gas OHV, 4.8L L6 Gas OHV, 4.1L L6 LPG OHV, 4.1L L6 Gas OHV
2
Professional with 2-3/8 in to 2-3/4 in Wide Leaf Springs
1973 GMC C15/C1500 Pickup equipped with 7.4L V8 Gas OHV, 5.7L V8 LPG OHV, 5.7L V8 Gas OHV, 5.0L V8 Gas OHV, 4.8L L6 Gas OHV, 4.1L L6 LPG OHV, 4.1L L6 Gas OHV
Professional with 2-3/8 in to 2-3/4 in Wide Leaf Springs
1973 GMC C15/C1500 Pickup equipped with 7.4L V8 Gas OHV, 5.7L V8 LPG OHV, 5.7L V8 Gas OHV, 5.0L V8 Gas OHV, 4.8L L6 Gas OHV, 4.1L L6 LPG OHV, 4.1L L6 Gas OHV
2
Professional with 3 in to 3-5/8 in Wide Leaf Springs
1973 GMC C15/C1500 Pickup equipped with 7.4L V8 Gas OHV, 5.7L V8 LPG OHV, 5.7L V8 Gas OHV, 5.0L V8 Gas OHV, 4.8L L6 Gas OHV, 4.1L L6 LPG OHV, 4.1L L6 Gas OHV
Professional with 3 in to 3-5/8 in Wide Leaf Springs