Harland Sharp's would be the cheapest rocker I would ever think about putting on a cam with those pressures.
T&D isnt much more money last time I checked. Id be surprised if you couldnt find a set of those in stock somewhere..
Those are just a stock offset with the SR;s IIRC.
A few people to check with
Todd Marsh
Best machine
Dewayne Porter
Todd Comp Wedge
Muscle Motors
Modern Cylinder head