[Fot] GT6 cylinder head

[JS Performance Motoring, LLC]

Tom,
         I believe the GT6+ heads (9.2:1 compression) started at 3.30"
thick, and the MK3 (8.0:1) heads were about 3.40".

I've heard some of the MK3's came with an even thicker TR6 head, and domed
pistons.  I've not had one of these in front of me to confirm.


JS Performance Motoring, LLC
440.984.7720
jason at jsperformancemotoring.com
www.jspmparts.com
https://www.facebook.com/JSPerformanceMotoring/


On Thu, Sep 4, 2025 at 10:06 AM tom strange via Fot <fot at autox.team.net>
wrote:

> What is the stock thickness of a late cylinder head?
>
> &  (just in case) does anyone have a decent engine they would sell? Could
> be stock, up to "mild" race.
>
> Thanks in advance
> Tom
> #59 Red
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