N42 head in your car has the same square ports as the P90a, so the header you just got should fit your existing head.

Sweet ... that is some good news to know! Thanks for the help ...

Ok, for those who have been asking for the pictures of the Alternator. The alternator is made my Hitachi and has GNG stamped on it (can be seen in one of the photos).

So is this a ZX or just a regular one? I am wanting to upgrade to an internaly regulated one.

Thanks for the help....

Does not look like a ZX alternator to me - definitely not the same as the ZX unit on my car.

Hmm, that sure looks a lot like the one I have on my '73.

The ZX alternator looks like this: