[Retromusclecar]

He has a 2015 R/t 5.7 and wants to stiffen the rear end, anybody know of stiffer springs short of replacing with coil overs? Thanks for any help I did a search but only come up with lower springs sets

 

[Hal H]

Scat Pack rear springs would be stiffer over the R/T 5.7 (if it doesn't have Super Track Pack option)

Are you going for a stiffer spring rate or trying to reduce body roll?

Sway bars will have more effect for body roll - if that's what you're after.

There's a few options for stiffer rear sway bars as well

 

[Retromusclecar]

He is looking at stiffer rear for drag racing and he knows about the sway bar, but I can't find any stiffer springs for him unless they are lower and not after market unless a coil over setup.

 

[Slidd]

I would guess that Hellcat springs would be the stiffest since that car has the highest weight rating. You can grab a VIN off cars.com and use that get the springs at dealer.

The Demon I think uses a softer rear spring for more weight transfer at launch.



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