AFCO Aluminum radiators allow your car to remain at a constant temperature, which means that power delivery is more consistent. The uniformity of an all-aluminum construction radiator allows for the best pound for pound heat transfer characteristics. Grille shell mounting tabs are 16” center to center and each tab is 3” tall (this allows for various shell manufacturers dimensions) Width @ Mounting Tabs: 17-7/8” (side to side) Base mount flanges are 21 ¾” side to side Fill neck is on passenger side 100% Aluminum construction (no epoxy) Furnace brazed core Tanks are made of .080” 3003 aluminum for strength and durability TIG welded by skilled craftsmen in the USA Factory pressure-tested Filler necks feature screw-in bleed – won't crack or leak with age