I have this Shelby Block for sale. Its a big bore 496" or 511" FE it is BRAND NEW, steel cap upgrade from the standard aluminum caps. email me if you are interested I will give you details. These sell new for $7k I will sell it for $5700
i have 2 of these i am using this one as a mock up while my other one is in new zeland having a custom manifold designed. I will keep it for a future build if no one wants it.