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Cyl Heads Z1000H vs GPZ1100B1

Posted: Thu Jul 23, 2020 2:25 pm
Author: needaz1100r
Hi,

How do I tell the difference, can you tell from the bore size?

I have one only so can't compare and not sure which it is.

It will be for sale.

Re: Cyl Heads Z1000H vs GPZ1100B1

Posted: Thu Jul 23, 2020 3:03 pm
Author: Gus
Z1000H will have rounded fins as per its predecessors and the GPZ will have angled fins.

GPZ1100
Image

Re: Cyl Heads Z1000H vs GPZ1100B1

Posted: Thu Jul 23, 2020 3:22 pm
Author: needaz1100r
20200723_162026.jpg
20200723_162153.jpg


Thanks Gus, this is GPZ then.

Re: Cyl Heads Z1000H vs GPZ1100B1

Posted: Thu Jul 23, 2020 3:32 pm
Author: Gus
I would say so but a higher pay grade maybe able to confirm. :D

Gus

Re: Cyl Heads Z1000H vs GPZ1100B1

Posted: Thu Jul 23, 2020 3:38 pm
Author: zed1015
Yes! That's a GPZ1100 B1 head.

Re: Cyl Heads Z1000H vs GPZ1100B1

Posted: Fri Jul 24, 2020 8:09 am
Author: Ultim8pc
Deffo GPZ. extra cam cap screw position where the cam rubber goes. and the angled off fins on both front and back ends of the head.