[Fot] Triumph Ring & Pinion

[JS Performance Motoring, LLC]

Brian,
Spitbits lists them as available new.



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

On Tue, Apr 21, 2026, 6:53 PM Brian Dennis <britracer89 at yahoo.com> wrote:

> Greetings,
> I'm looking for a 4:55 (or maybe 4:88?) ring & Pinion to fit the Spitfire
> differential case. I believe it is from a delivery van or something but I
> do not remember. This is the one with the bigger diameter pinion shaft.
>
> Any information or assistance is appreciated.
>
> Thank you,
> Brian
> Plymouth, MA
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