S550 9" IRS Differential Swap

Boone · Apr 16, 2018

Has anyone done a 9" IRS swap getting rid of the sloppy 8.8? There are kits out there and I was wondering if anyone has had the experience of installing one themselves.
Link below is from a well known aftermarket company to show what I'm referring to. I haven't decided on this or any company as of yet, just for illustration.
Any insight would be appreciated.
Watson Racing

I Bleed Ford Blue · Apr 16, 2018

I noticed the watson kit replaces the entire rear cradle and suspension. How does if affect the street manners? There is another kit out there that only replaces the center section and reuses the factory cradle and rear suspension components thus preserving the original street manners.
https://gforce1320.com/product/mustang-s550-2015-9-irs-kit/

BTW this is the company that actually manufactures the upgraded halfshafts that are sold under the ford racing banner.

Boone · Apr 17, 2018

The Watson one is for off road racing only, did you notice the position of the brakes? It was a bad example, I should have used something else. Great info on the BTW though, I wasn't aware of that one. Thanks

S550 9" IRS Differential Swap

Boone

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I Bleed Ford Blue

Boone

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S550 9" IRS Differential Swap

Boone

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