56110-H1025 and 56110-H1026
are the original nissan part #'s
They both Supercede to 56105-H5025.
The suggested list price is $64.68. I ran an inquiry through nissan for a quantity of 2, 1 is available 1 is back order. Both Evan and I had to wait about 2 months to get them in.
Let me know what price they give you and I will see if I can come close.

Evan, I put this part # in the coupe with no problems at all so your good....
Kelmo

Glad DD found it all I had was the installation
instructions....

Eddie,
I will look at home tonight I may have the grant part #. Got one from PepBoys a little more than a year ago. Look for an answer on Monday as I am off this weekend.
Oops, cats out of the bag I'm slackin at work.
Just curious, did you try b110 or datsun 1200 on the Grant website?

Kelmo

I see your delima...
Am searching for some donor bits myself, if I stumble across a harness I'll let you know.
Welcome to the site btw.

Eddie,
Checked on Factory parts and the fuse block is available still for about $42.00usd
25410-B5102.
Checked on the harness and out of 4 part #'s none were available.
Where are you located?

Kelmo

Dang, I wish I was smarter.
I get the indexing part, but the electrode part of the plug was still back up within the hole that the plug goes into.
The block is bored 0.40, pistons are flat.
As far as size of combustion chamber and compression ratio....this kid ain't that smart.
But I did learn about the "P" in NGK plugs today.
Thanks,
Kelmo

Ronald: I did call the guy but did not hear back from him. Hindsight being 20/20, I should have asked when buying but am learning as I go and didn't know what to ask..dang.
DD: The original gasket (ring) is gone and the copper wahsers are in place of it.
All: I think at this point indexing was the prupose as this engine was supposed to end up in a competition car, so that would put MLS dead on, nice call.
Me thinks stock plugs will be going in....after we measure to make sure they dont hit a piston...
Thanks everybody

Kelmo

No, they just used copper washers about 1mm thick at the base of the plug where the threads start. I'd post a pic but the batteries are dead....dang.

So, I have a GX head bought from an indvidual that had shimmed spark plugs in it. They were shimmed at the base where they screw in. The reach of the tip ends up back in the hole where the electrode is and does not extend into the combustion chamber. Does anyone know the logic behind this?
Spark plugs that are in the head: NGKB9EV
Factory plug should be NGKBP5ES.

Thanks in advance,
Kelmo

I would agree with dattodude. But, your post states starter has been replaced and I notice you are in the states. If it is a Auto Zone/Checker/PepBoys type of part was it a rebuilt one? I have seen that before on aftermarket units usually the ones that have a lifetime warranty.

My 2 cents worth
Kelmo