Subject: Re: GX Head or A15 by shadow69181 on 2001/7/9 5:19:00
Nissan may have done 2 GX heads but A14's and 15's nevre came out in GX model so they never came with a GX head. A GX head is an oval port from factory, never been a round port. The A15 heads are the ones with bigger valves.
