School me on W2 heads.

Scary picture of the head. But that is what "could happen" with a W5.
The W2's draw back is rocker cost, weight & oval intake ports which mean 1 of 2 things.
W2 oval port intakes only which can be very pricey brand new or port the head to a rectangle which is very pricey to do but does make intakes a lot cheaper to purchase and experiment with.
There is only 2, W2 intakes now. Edelbrock Victor, Mopar M1 single and dual plane are the only ones new that I know of.
You used to be able to purchase an Offenhouser & a Holley for the W2. Not anymore as far as I know, BUT, it is possible to get them cheaper by compare used.
Below is a W2 Holley Street Dominator. Purchase from a FABO member.