Build Your Own 348-409 Valve Covers- Hand-fabbed For Chevy's Coolest Big-Blocks
|
On the opposite panel of the cover, the center bolt recess area was TIG-welded to 0.090-inch-thick 3003-H14 aluminum on each side, using 1100 aluminum rod. These flat pieces do not need to be annealed. View Related Article
|
|