I just came across a pair of 256 Yblock heads from a machine shop that is trying to sell them for $200. They have been reconditioned and all new valves and guides. Assuming these will work on my 256, are they also interchangeable on 292 blocks? The ID on the heads is EVB-6090A.

Darrell Howard Whitefish, MT Outlaw 56 Ford F-100's