So here's the skinny....
The rear RC spacer is 1.75" tall.
The OME HD springs are 1.5" taller than the OEM springs
So yeah... im surprised that I lost about 1/8" of height. They're 1/4" shorter than the OEM springs + RC spacer setup, but I expected the higher spring rate to compensate a bit more.
These measurements were taking with the springs in the same orientation and at the highest part of the spring: