Sulastic Rssults
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4th Gear
Joined: Nov 2025
Posts: 4
Likes: 9
Update
After a few months with the Sulastic shackles and the 25% rate reduction front coils, all types of driving conditions I’m happy I did it. The truck is much more comfortable on long trips, but it’s still a 3/4 ton 4x4. It still has a choppy ride, it doesn’t ride like a 1/2 ton..but feels normal at this point, more like my Dodge 2500 and my Chevy straight axle 2500.
Recommend 👍
Recommend 👍
Fleet Mechanic
Joined: Oct 2011
Posts: 1,778
Likes: 287
From: Down SOUTH
@Texis2017 you must not tow or haul heavy with this truck ?
Super Duty’s will never ride like a little F150 nor are they supposed too.
Super Duty’s will never ride like a little F150 nor are they supposed too.
Cross-Country
Joined: Jun 2007
Posts: 51
Likes: 18
I talk to sulastic about shorten life of the shackles when towing. Here was their response.
When left in this position for extended periods—or under frequent heavy towing—the lifespan of the rubber components may be reduced. While this would not cause immediate failure and would typically require months of consistent heavy use to create an issue, it is an important factor to consider.
Some have said in as little as a year the rubber fails. At the price point I decided against.
When left in this position for extended periods—or under frequent heavy towing—the lifespan of the rubber components may be reduced. While this would not cause immediate failure and would typically require months of consistent heavy use to create an issue, it is an important factor to consider.
Some have said in as little as a year the rubber fails. At the price point I decided against.
Tuned
Joined: May 2010
Posts: 494
Likes: 129
From: Pleasanton, CA
I believe I read a few years ago that the Sulastic rubber doesn’t last. I find it hard to believe they can’t find a rubber or poly that will last for years or hundreds of thousands of miles. There is plenty of OEM “rubber” on these trucks that outlast many other components and last almost forever. Leaf spring bushings, shock grommets, body mounts, etc.
It sounds like Sulastic has a good product just make it a quality one. A 3-4 year life span….good grief.
Mike
It sounds like Sulastic has a good product just make it a quality one. A 3-4 year life span….good grief.
Mike
Last edited by Mike Bartlett; May 2, 2026 at 09:56 AM.
Fleet Mechanic
Joined: Oct 2011
Posts: 1,778
Likes: 287
From: Down SOUTH
@Mike Bartlett I totally agree. Why would anybody install a suspension part knowing it won’t last.
im OUT.
I was raised driving 4wd trucks the last 40yrs & these 2017 & up super duty’s ride way better than any H/D truck I’ve owned.
sissy sulastic shackles aren’t needed imo
im OUT.
I was raised driving 4wd trucks the last 40yrs & these 2017 & up super duty’s ride way better than any H/D truck I’ve owned.
sissy sulastic shackles aren’t needed imo
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