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  1. Anti-Sway Bars
  2. Hellwig
  3. Anti-Sway Bar
  4. Rear
  5. 1-1/4 Inch Diameter
  6. Mounting Hardware Included
THIS ITEM IS NOT A FIT FOR
1969 Chevrolet Chevelle
Hellwig

Hellwig Adjustable Rear Anti-Sway Bar - 1-1/4" Diameter

Part Number: HE66XR
In Stock
$771.75
Retail:$1,102.45
You Save: $330.70
Anti-Sway Bars
Not Confirmed to Fit

1969 Chevrolet Chevelle

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Minimize sway and improve the stability and driveability of your truck. Solid, 1-1/4" chromoly sway bar provides improved handling and safety. Adjustable anti-sway bar lets you choose level of stiffness. Easy, bolt-on installation. 1-800-940-8924 to order Hellwig anti-sway bars part number HE66XR or order online at etrailer.com. Free expert support on all Hellwig products. Great prices and Fastest Shipping for Hellwig Adjustable Rear Anti-Sway Bar - 1-1/4" Diameter. Anti-Sway Bars reviews from real customers.
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  • Reviews (96)
  • Q & A (0)
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Hellwig Anti-Sway Bars - HE66XR

Highlights

  • Custom Fit for Your Vehicle: Tuned to your suspension for better control and stability.
  • Reduces Sway: 1-1/4" solid chromoly bar cuts side-to-side movement for steadier towing.
  • Handles Crosswinds: Keeps your rig level against gusts, passing traffic, and shifting loads.
  • Improves Cornering: Adjustable design lets you dial in stiffness for confident turns.
  • Less Driver Fatigue: Reduces steering effort so long hauls feel smoother and more controlled.
  • Uses Existing Mounts: Bolt-on install with zinc-plated hardware—no drilling required.
Made in USA

Features to know about

Better Stability Under Load: Adjustable 1-1/4" Rear Bar Reduces Roll

When you’re towing or hauling, body roll can turn every curve or lane change into extra work. The solid 1-1/4" diameter 4140 chromoly steel bar ties the rear axle to the frame to cut out side-to-side motion and keep the vehicle level. Three adjustment holes let you fine-tune stiffness for the way you drive and the load you carry, giving you the balance between comfort and control you want.

More Control in Wind and Traffic: Keeps the Rear End in Line

Crosswinds and passing trucks no longer need to push you around. By minimizing sway, the bar keeps the vehicle tracking straight even with shifting cargo or uneven pavement. It takes less steering correction to stay on course, so the drive feels steadier and more predictable mile after mile.

Less Driver Fatigue: Predictable Handling on Long Drives

Long highway stretches or rough backroads don’t have to leave you worn out from constant wheel corrections. This setup keeps everything composed and level, so you can relax your grip and enjoy the drive. The consistent feel through corners and over bumps makes a long day behind the wheel noticeably easier.

Built to Last: Poly Bushings and Corrosion-Resistant Finish

The system uses polyurethane bushings that stand up to oil, gasoline, and ozone. They don’t compress or wear like rubber, which means tighter support and a longer service life. The bar’s silver vein hammer tone powder coat and black-coated brackets and end links hold up against corrosion and stay looking sharp.

Simple Installation: Mounting Hardware and Lube Included

No drilling required. The bar bolts on with the included zinc-plated hardware, complete instructions, and bushing lubricant. Setup is straightforward with basic tools, so you can get it installed and feel the difference right away.

Specs

Dimensions

  • Bar diameter: 1-1/4"

Warranty

  • Limited lifetime warranty

7782 Hellwig Adjustable Rear Anti-Sway Bar - 1-1/4" Diameter

Installation Details HE66XR Installation instructions

This Product Fits The Following Vehicles




Customer Satisfaction Score:

Ratings & Reviews

4.7

95 reviews
Review sort icon
Minimize sway and improve the stability and driveability of your truck. Solid, 1-1/4" chromoly sway bar provides improved handling and safety. Adjustable anti-sway bar lets you choose level of stiffness. Easy, bolt-on installation.

by:

It's an amazing improvement over the stock sway bar. I don't see any need to use the outer attachment point. It gives you plenty of bar at the lower setting. The mounting hardware and bushings are much better than the stock attachment bracket and bushings. The truck stays flat in a curve. Bottom line: Just buy it!



by:

Easy install and definitely stiffer cornering. Can't wait to try with trailer.



by:

Easy installation on Ram 1500 classic 2wd. Took about 1.5 hrs including the test drive. Didn't have to jack the truck up, just crawled under and bolted it in.

Thanks to eTrailer support for pointing me to the right one for my truck.



by:

Ordering was easy and I felt confident that the part was going to fit based on the web site confirmation and staff recommendations. The part shipped quickly and installed easily especially after watching the instructional videos, which matched the directions.

I drove my 2013 F150 from Ohio to Florida pulling my 6k travel trailer with WD hitch, and found myself white knuckling every time a car would blow past. The sway bar reduced the trucks roll, which reduced some of the waggle in the back. Overall very happy with the purchase. I would recommend and will put one on my next truck right off the bat.



by:

Great upgrade for my truck and fifth wh eel.



by:

Ashley was wonderful to work with on my order fast shipping tech was great help the rear sway bar was a up grade from stock unit by far great Quality easy to install Hellwig makes a awesome product l will buy more product’s from e trailer in the future



by:

Nice product However the instructions are terrible! The written instructions have been copied so many times they are basically unusable. The accompanying video left out many important details causing a much longer instal time than necessary. We had to uninstall more than once do to correct the incomplete installation video.



by:

I haven't installed this kit yet, but the quality looks very decent and quality. The kit is complete. The only issue is that I have an 8.8 axle, but the brackets are for a 9.75, however, I think that if I tighten everything down correctly, it should install just fine. Thanks.



by:

I only recently learned my 2023 1500 ram, which includes the tow package, uses a hollow sway bar. Disappointed in Ram.
Using the outer most setting made a significant difference over the original equipment. In fact the difference is so noticeable I’m going to fireplace the front sway bar as well.



by:

I put a really heavy truck camper on my 2017 ram 2500 6.7 hemi and it took turns ok but it would rock side to side a couple times over bumps and uneven roads. I wasn't sure if this would make a difference because the factory one looked pretty big but it made a huge difference. This and airbags are a must for heavy loads.
I also go it a day sooner then I thought.
Very happy.



by:

Solid, sturdy and well built anti-sway bar. I installed it on my 2024 Ford F150 without removing the spare tire and the install went fairly easy. It did take some time as I was.doing it myself. An extra set of hands would make it a bit easier. Love how solid my truck feels and drives now.



by:

I installed the 1 inch adjustable anti-sway bar on my 2026 ram rebel and it works great. Even though I only put it on the least aggressive setting, the truck handle so much better through the turns now that it did before. I will test it to a 7000 pound trailer in the next couple weeks. . Definitely recommend!. Also, E trailers Service was super friendly and super fast. I received the Hellwig antisway bar in two days after ordering



by:

This is a heavy duty sway bar. The installation was straight forward and simple.
I used the middle adjustment hole as I wanted to tow an RV. I took it on an initial test drive. This unit completely got rid of the body roll. Well please and know that a little hint, wear gloves when apply the lubricant as that is gooey!



by:

Easy installation

Haven’t towed
with it yet so not sure how much it will help the sway with a 31ft travel trailer.



by:

Great quality part at a decent price and a quick delivery on my order. Will definitely use etrailer again!!



by:

For the second time in a row ordering from etrailer, either parts were missing from my order or shipping was a problem. The sway bar works fine, once I got the right parts to install it.



by:

Upon receiving the box which came on time, I took all the pieces out to make sure I got everything I needed. Two 7/16-20 21/4 inch bolts were missing. I called Hellwig customer support and they promptly sent the replacements. The bolts were not packed with the rest of the installation materials. I also want to say that the top of the box was torn open. Many of the heavy staples had come out. The box inside was torn open and a couple of pieces had slipped out. Also someone trampled over the box because there were boot marks all around the box. Very poor quality in delivery service even though it came on time. Important parts could have fallen out and delayed installation. Not very good delivery service.



by:

When lifting a jeep, body roll, increases due to the mechanical advantage of the chassis over the factory sway bars. This larger and adjustable sway bar helps correct that issue and allows for fine-tuning to driver preference.



by:

Application was a 2015 Tacoma.
Install
was easy enough. For others that may read this, it would be wise your spare tire to make certain there is no interference with the sway bar.
I have a 33" spare tire, I had to make new adjustments after I tried to put spare tire back up. Infact, May be wise if you have room to leave the spare tire in and work accordingly.

The install is new, sediments are a bit subjective as to difference. But driving while unloaded I get a bit surprised that the Tacoma tracked really well around a curve. Folks at E- Trailer were great.



by:

I really like the fitment and performance of the product. I have installed a Hellwig anti-sway bar on my last 3 trucks and always feel an improvement the way the truck handles cornering and when pulling a load, especially when there is a cross wind.



by:

Don, the sales advisor was very friendly and helpful. The Helwig Sway Bar fit perfectly and took about an hour to install. Great service and shipping. Thanks, Guys.



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by:

Good product. I took off 1 star for it being so expensive. Also at this price they should have included the required tap. Other than that it is well engineered and installs easily with basic tools. I haven't had a chance to determine if it does what it says. I bought this for my 2020 2500HD that for some reason did not come with a sway bar. I have a cabover camper so I'm hoping this helps with the sway.



by:

great people to deal with


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See what our Experts say about this Hellwig Anti-Sway Bars


Info for this part was:

Employee Lindsey S
Edited by:
Lindsey S
Employee Jameson C
Expert Research:
Jameson C
Employee John S
Video Edited:
John S
Employee Andy C
Installed by:
Andy C
Employee Sabrina W
Written by:
Sabrina W

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