I blew the picture up a little to try to get a better look. It's a bit grainy, but

A. It's been used at sometime as the coolant stains under the inlet ports attest.
B. My GX head has four largish sized holes under these ports, while A14/15 heads have smaller holes, & there are two under one pair of inlet ports & one under the other pair.
C. I seem to think that GX inlet ports are taller than these. They just don't look right.

The discolouration of the manifolds inlet ports clearly say they SOMEONE has used it at some time, so to say that they have NEVER been used is probably a bit of an overstatement.

It's probably still a good deal, but I don't think it's a GX head.































This is a 1200 GX head & I will leave you to make your own decisions. Note the four coolant holes under the inlet ports.