All of our Body Pieces are made from grade 1006 steel, which is slightly heavier but three times as strong as original. Applications: Chevrolet C10 Pickup, 69-72 C20 Pickup, 69-72 C30 Pickup, 69-72 K10 Pickup, 69-72 K20 Pickup, 69-72 K30 Pickup, 69-72...