D15B1 and D15B heads

I was curious if a D15B head would fit on a D15B1 Motor...

Yes. It's called the "Mini-me"

Check it out here:
http://www.automotiveforums.com/vbulletin/showthread.php?t=19176

D15B(JDM) = D16z6(USDM)

sorry.. its the factory D15B SOHC non vtec head.. the difference between the D15B1 is that it has 16 valves rather than the 8 of the B1

nope, i have a d15b1 in my car and it's 16 valve.

B7 is 8 valve I believe