4.09 Diff upgrade - UK Spec 2019 GT

[Spuddy]

Evening all,

I'm trying to find some information on on the following part:

https://www.cjponyparts.com/ford-performance-ring-and-pinion-gear-4-09-set-8-8-irs/p/M420988409A/

I'm trying to find out if it will fit my Manual 2019 GT, the car is Right hand drive as I'm in the UK. From what I can gather the UK model has a 3.55 ratio from the factory.

I'd really appreciate if anyone has knowledge and experience in such a thing. I would have thought Ford would make life easy for themselves and use the same parts.

Regards
Gareth

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[WD Pro]

It will fit physically and on a 19, I think you might get away without needing to do anything with the electronics - do you have rev matching ?

Yes I’ve been lazy, mines still not fitted …

WD

 

[Spuddy]

Yes I have rev blips on down shifts.

I was reading up on using ForScan to modify the settings if need be.

Hopefully it fits cause it on the way!

 

[Pittpa]

Yes I have rev blips on down shifts.

I was reading up on using ForScan to modify the settings if need be.

Hopefully it fits cause it on the way!

I'm interested in this. Please be sure to keep us posted.

 

[kz]

It will, no reason not to. Your differential is what non-PP GTs have in US.

 

[Spuddy]

I ended up cancelling the order, I asked CJ Pony parts to check if it would fit before shipping, they shipped it without checking then a day later told me it wont fit a UK car.

I got them to pull the Fedex delivery even though I do feel it will fit with no issues.

Not my best first impression of CJ to be honest but at least they contacted Fedex (after I pushed the issue a bit).

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