Cars & Trucks
BBC 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 Big Block Chevy build. The port openings are spaced at 4.84in centers, matching BBC bore spacing. Print at 100% - true 1:1 scale, transfer the layout to steel, and cut the plate from the template.
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