These all aluminum radiators are available in 2-row, 3-row & 4-row variations. Fits all 63-66 C10 trucks.
No additional shipping charge if you add fans.
If ordering with fans / shroud, it will not include hardware to mount these items.
4-Row Radiators Come Standard with Polished Tanks.
2-Row Tube Size: 3/4"
3-Row Tube Size: 5/8" or 3/4" (Depending on Model)
4-Row Tube Size: 5/8"
REQUIRES Factory 4-row Mounts, Upper and Lower