🚛 Elevate your truck’s ride—because smooth is the new strong.
The Sulastic Shock Absorber Shackles (model SA-06) replace traditional rear leaf spring shackles with advanced rubber springs that reduce vibrations by 60-80%, improve vehicle stability by 20-30%, and decrease braking distance by 10-20%. Compatible with select Ford F-250, Chevrolet/GMC Silverado/Sierra 2500HD, and E-350 models, these shackles enhance ride comfort and handling without sacrificing load or towing capacity, delivering superior performance in all weather conditions.
| Brand | Sulastic Rubber Springs |
| Auto Part Position | Rear |
| Style | Painted, Performance |
| Vehicle Service Type | Truck |
| Exterior Finish | Painted: Black |
| Material | Rubber |
| Manufacturer | Sulastic Rubber Springs |
| Item Weight | 16.7 pounds |
| Package Dimensions | 11.26 x 9.06 x 6.34 inches |
| Item model number | SA-06 |
| Manufacturer Part Number | SA-06 |
M**Y
Wasn't easy to install, but works as advertised
Without a lift or high (tall) jackstands, the install was an absolute bitch and a half. But I stuck with it because of the payoff.Took a good day of working on it to get my parts out, grind a little metal to encourage the spring to seat and then pay attention to the number of washers and orientation when putting the new ones in.With all of that said, I've definitively felt a softer ride in my 2500.I take bumps smoother and the road is a little kinder now.Also did Fox 2.0 all the way around afterwards, and I ride like a new 1500 now.Very satisfied. Let's hope they last a while.
R**N
These are a perfect item for HD suspension.
These are an absolute game changer! They seem a little pricey but believe me they are worth every penny. These were my 2nd set.Installation is a little difficult without a lift but my daughter helped me and it was 3 hours.GMC 2025 AT4x HD 2500.
W**E
Wow!
Very easy install, with simple hand tools it only took me about 2 hours from start to finish. You do need to raise the bed about an inch and a half to get the bolts out of the springs but it is simple. I have a 2016 crew cab 4X4 Duramax. Day and night difference in ride quality. My only regret is that I didn't do this sooner.
S**M
Do not buy
Installed on a 2005 F250 4WD standard cab. Truck rode terrible before the install. No noticeable improvement after the install. Tried adding an additional 325 lbs of wight in the bed to improve ride.After the install the truck was all over the road with rear end sway. Once removed drive ability improved.A waste of money now sitting in a box on the parts shelf.
C**
Fixed rear end bucking
Definitely worth the price! I have a 12” lifted superduty and the rear end is way too stiff and these work so well! Had a bad rear and buck on the freeway and this is the problem solver
D**D
WOW! They are great!!
Ford should put these on during truck building.. These are a must for f250 Super Duty.. So nice!
C**Y
Great shackle
Probably most noticeable upgrade I’ve ever put on a truck! Absolutely gave it a better ride!
A**O
Works good on my 2010 f350
Got it for my f350 diesel. It helped with a smother ride! I didn't tell friends that I installed it, and I asked them if the truck felt different. They said it is allot smoother.
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