[n2boost]

I don't know that any other brand of valve would be much if any better if you opt for a big poppet type valve.-Chris

Have you not seen Vortech's BV57 Chris? It trounces the Red ATI valve.
http://www.vortechsuperchargers.com/product.php?p=23&cat_key=4

Not tryin to start any BS just didnt know if you were aware of competing products.

~R