Radiator Saddles

[otterby]

I recently replace the radiator in my '85 GMC 3500. I installed a new aluminum 4 core radiator from Champion that was supposed to be a direct replacement. The radiator is just a bit shorter that the stock one (about an inch) letting it sit loose when the top cover is installed. I took up the extra space with some rags so the new radiator can't move around. Does anyone know where I can buy some rubber saddles that are taller than stock? Champion didn't have any or any solutions to the problem.