10 gauge mild steel, designed to box 1933-34 Ford frames from ahead of the front crossmember to behind the rear crossmember.
Designed to box 1933/1934 Ford frames from ahead of the front crossmember to behind the rear crossmember. Four plates, to box one frame. The plates are divided into front and rear sections to make it easier (and cheaper) to ship and easier to handle. Also available individually.
The plates were designed to fit American Stamping rails corner to corner.