Masters of Motors (MOM) the new EngineMasters Challenge (EMC)

They are "don't float your valves" Schubecks
great for cam swapping
for production
"We run cast cams, and our oiling lifters, for up to 440# over the nose.
For anything over that, we go to steel cams, and coated tool steel lifters."
But for a dyno run the ceramic lifters should work
wish they had been available when doing "wheelbarrow of cams" tests
easier than refacing lifters