Build Your Own 348-409 Valve Covers- Hand-fabbed For Chevy's Coolest Big-Blocks Photo Gallery
The flat aluminum stock was cut to fit the corner bolt recess pieces and welded in place (A). The long piece of stock I started with was then bent around the corner and welded to the bolt recess pieces (B). This completed the forming of the valve-cover body. Gentle heat may be required on the entire aluminum body for easy removal from the jig.