Your 1966 Mustang's fuel tank is one of the areas most prone to rust. If there are cracks, seams, or holes in your fuel tank, you’ll want to replace it before it starts leaking. We offer direct replacement options in steel or stainless steel so you can replace your rusted out tank. Each fuel tank includes all the necessary mounting hardware, gaskets, and drain plugs. For performance applications, check out higher capacity tank options.