Rocker arms for 408 build

The pedestal/spacer does do that in the same way as the stock pedestal. Can't say if it does it as much, or more or less. Interesting that there is a rod between pairs of rockers for each to help stabilize its partner.

Going to the roller makes the info from B3RE more important.... I would start on the assumption that to the roller changes the geometry situation considerably. The way the roller rolls back and forth across the valve tip is typically quite different than how stamper rocker tip 'walks' across the valve tip.