Pushrod for hydraulic cam and 273 rocker arms

Here are a few good related threads for reference:

Here's some good info in this thread on using the 273 rocker arm and adjustable nuts:

273 adj rocker stud and lock nut?? Where?


Here's a thread with all the info for push rods using 273 adjustable rocker arms with a hydraulic cam:

273 stock push rod length?