SBC Header Flange Plate Template - True 1:1

True 1:1 scale printable template for laying out and cutting a steel header flange plate for a Small Block Chevy build. Print at 100% - true 1:1 scale, transfer the layout to steel, and cut the plate from the template. The port layout on this template was not confirmed against a published flange drawing, so check the port positions against your head before cutting.