You need to quit relying on summit. Those guys will sell you all the wrong parts you are willing to buy.
Why not buy the parts from your local machine shop that is installing them?
Prior to 70 used one set and after used another.
I like to use Clevitte bearings for the cam.
Clevite 399s for early engines
clevite sh718s for later engines


Inliner Member 1716
65 Chevelle Wagon and 41 Hudson Pickup
Information and parts www.12bolt.com