Rear diff brace

Mooster1223 · Nov 1, 2019

Is a rear diff brace recommended on a sock hellcat?

I also heard that they void the drivetrain warranty because they cause stress cracking. Can anybody substantiate that they actually cause an issue?

Sudden · Nov 1, 2019

If you’re on a stock tire you probably won’t need one. If you put drag radials on and go to the track it might help. The main thing is to stay out of wheel hop. I put one on along with a one piece driveshaft right off the bat.

Mooster1223 · Nov 2, 2019

Thanks. I ordered a brace. I'll get sickly tires on it and head to the track next year.

vortecd · Nov 3, 2019

Heck I put one on my Daytona.

Hemiride · Nov 19, 2019

I just ordered the new style brace for mine. It will get better tires in the spring. Going with a dusterhauff stage 2 setup.
The original brace caused some problems because it's too ridged for some application's

spazzman72 · Feb 23, 2020

I see there are different version braces. What stye diff brace would you guys recommend for a stock powered Scatpack A8
Was thinking the per4Mance billet model.

YMMV · Feb 27, 2020

spazzman72 said:

https://www.getper4mance.com/product-page/standard-brace-kit

That should fit your needs perfectly fine even if you drag race.

This is what I use:
https://www.getper4mance.com/product-page/new-billet-per4mance-brace

spazzman72 · Feb 27, 2020

cool, thanks YMMV...

Finface · Mar 2, 2020

You might want to look at the DIRS brace by Per4mance Development. Their new two piece design addresses the issue of not enough play in the drivetrain (they say - I just put on on my 2019)

spazzman72 · Mar 5, 2020

after emailing Per4mance Development , they recommended i go with the Per4mance billet brace for a stock powered Scat pack..

Finface · Mar 5, 2020

Spazzman,

That was smart. I spoke with their rep before I decided to buy a brace from them - answered all my questions. I just installed the DIRS and I needed someone to hold a part of it while I threaded a bolt up into the crossmember (wife happy to oblige), but otherwise I did it myself. Child's play for most on this forum, but working under cars is pretty new to me. I made a note at some point months ago that someone here thought it changed the ride - can't remember in which way - so I'm eager to road test it after the winter months.

Best,

Finface

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Rear diff brace

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