Holley Pro Dominator W2 intake

MMissile said

Glidden W2 heads....
They were mildly modified, as well as the intake manifold.

View attachment 1715931452
View attachment 1715931453

Click to expand...

And a good chance those head castings weren't out of any old box at the time.

Many times THE flagship premier team got select castings or special castings. I have DC Memo's that talk about Petty castings and "good" casting "W-2" heads.