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Hellwig EZ-550 Helper Spring Kit - 550

4.5 4.5 out of 5 stars 425 ratings

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  • Hellwig light-duty EZ-550 Helper Springs are designed to sit on top of the leaf springs at the rear of your truck and work in conjunction with the stock spring pack to effectively increase the level load rating of your truck up to the vehicle’s gross vehicle weight rating.
  • COMPLETE KIT: Packaged complete with the same heavy duty powder coated and plated components, hardware and installation instructions as our heavy duty helper spring products, these kits are designed for the vehicles that need lighter assistance in carrying a load.
  • MADE IN THE USA: Manufactured with heat treated ASTM 5160 alloy spring steel in our California based facility, these units are rated up to 500 lb. level load carrying capacity.
  • EASY INSTALLATION: Simple bolt on design using common hand tools provide the installer ease of installation and the vehicle owner hassle free use.
  • SIMPLE TO ADJUST: Ideally suited for light towing and loads, these units are fully adjustable using the heavy duty U-bolts included in the kit using simple hand tools. If your tow and haul needs change, simply adjust the heavy duty U-bolts to suit the new load requirements. They can be adjusted independently for uneven side to side loads.
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Hellwig EZ-550 Helper Spring Kit - 550
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Price$104.64$158.83$175.06$265.40$183.06$162.01
Delivery
Get it Mar 18 - 20
Get it as soon as Monday, Mar 18
Get it Mar 15 - 18
Customer Ratings
Easy to install
4.7
4.7
4.2
4.1
4.1
Value for money
4.6
4.6
4.0
4.2
4.1
Stability
4.8
5.0
4.1
Sold By
Trends Auto
Amazon.com
Trends Auto
WunderCarParts
Trends Auto
Trends Auto

Important information

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From the manufacturer

helper springs, helper spring kit, Superior 12-1600, Superior 11-1020, Superior Springs

EZ-550 Helper Spring Kit

Explorer Pro Comp 13120, Skyjacker R225, Super Springs, SuperSprings, supersprings
100% Made in the USA

Hellwig Helper Springs are designed to increase the 'Level Load' carrying capacity of your vehicle. Never load the vehicle this unit is installed on beyond the manufacturer's maximum gross vehicle weight rating. The EZ-550 is our light duty helper spring rated up to 500lbs. This spring easily bolts onto the top of the factory leaf pack behind the axle u-bolts.

Torque Table (Bolt size listed below):

  • 5/16" = 20 ft. lbs.
  • 3/8" = 35 ft. lbs.
  • 7 /16" = 45 ft. lbs.
  • 1/2" = 75 ft. lbs.
  • 9/16" = 90 ft. lbs.
  • 5/8" = 120 ft. lbs.

Hellwig: EZ-550 Helper Spring

Installation Instructions

Safety: Before beginning your installation, be sure to set the parking brake & chock the wheels.

Notice: Do not attempt to install this unit on any vehicle with composite (plastic) leaf springs.

1. Jack up vehicle by frame until the wheels are ready to leave the floor. Lay helper leaves on rear of spring.

2. Install U-bolt, crossbar, nuts and washers over leaf nearest axle. Install other U-bolt, crossbar, nuts and washers over leaf nearest rear sprig hanger.

3. Tighten U-bolts nearest axle completely. Be sure to use double nuts on these U-bolts.

4. Lower vehicle and adjust for height and load. Use double nuts where provided.

5. Double-check your installation. Bounce the vehicle and check for clearance on all chassis components.

6. Recheck your installation after one week and every thirty (30) days thereafter.

  • Powdercoated Steel Components
  • Easy, Bolt On Installation
  • Adjustable Rate

Product Description

EZ-550 Helper Spring Kit for Various Truck Makes and Models. See Vehicle Fitment

Product information

Technical Details

Additional Information

Warranty & Support

Amazon.com Return Policy:Amazon.com Voluntary 30-Day Return Guarantee: You can return many items you have purchased within 30 days following delivery of the item to you. Our Voluntary 30-Day Return Guarantee does not affect your legal right of withdrawal in any way. You can find out more about the exceptions and conditions here.
Product Warranty: For warranty information about this product, please click here

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What's in the box

  • Leaf Helper Spring
  • Looking for specific info?

    Customer reviews

    4.5 out of 5 stars
    4.5 out of 5
    425 global ratings

    Customers say

    Customers like the quality, ease of installation, performance, and value of the spring system. They mention that it's very well built, works well, and is a great value for a good product. Customers also like the stiffness, and height. However, some customers have different opinions on spring strength, and fit.

    AI-generated from the text of customer reviews

    56 customers mention53 positive3 negative

    Customers find the installation process of the auto part to be easy. They mention that the instructions are clear and the diagram is helpful.

    "...Installation was straightforward on my 2006 Tacoma 4x4, I didn't even bother to jack up the vehicle but just slid under it to install the springs...." Read more

    "...All in all, probably not a permanent fix, but a good low-cost, easy install option for getting a little more life out of marginal springs." Read more

    "...Highly recommend! Here's my take,ProsEasy install, one 11/16 wrench...." Read more

    "...Installation was fairly easy (hardest part is jacking up truck, I needed two jacks to keep both sides of truck level for install), great directions..." Read more

    38 customers mention35 positive3 negative

    Customers like the performance of the auto part. They mention that it's easy to install and works very well. It helps to eliminate sway and level their Jeep. They also mention that by supporting extra weight, the Jeep handled much better and towing felt more.

    "2003 Toyota 2.7 prerunner with 3” lift.Excellent results, Spring kit really helped with axle wrap. Highly recommend! Here's my take,..." Read more

    "Worked great to the level the rear load while hauling firewood. Installed in 30 minutes (on a lift)." Read more

    "...correctly on top of the main leaf pack, but they do in fact fit and work great!..." Read more

    "...I've loaded up the truck, prior to towing and they perform great. Give them a try, the price is really a steal for the quality...." Read more

    38 customers mention33 positive5 negative

    Customers like the quality of the springs. They say it's well-made and sturdy, with a nice powder-coated finish. Customers are also impressed with the improved ride and road handling.

    "...in a timely manor and upon opening the box I was impressed with its exterior quality, being nicely powder-coated the helpers look better than my..." Read more

    "...Extra benefit for towing and hauling.Very ridged and high quality.Cons..." Read more

    "...roll and when the truck is carrying a heavy load the road handling improvement is outstanding...." Read more

    "...I really can't rate these at all, but they do appear to be a quality product, easy to install, and very economical compared to alternatives...." Read more

    20 customers mention17 positive3 negative

    Customers like the stiffness of the auto part. They mention that it provides a smooth and stable ride, without being harsh. Some say that the product is easy to install and provides great support. Overall, customers are happy with the product's performance and recommend it to others.

    "...I'm quite pleased with the ride. No longer does the truck bottom out on every dip in the road. Now, it rides like a 4v4 truck should...." Read more

    "...ProsEasy install, one 11/16 wrench.Ride is better, got rid of the “thud” at stops and start...." Read more

    "...truck back up to stock height, and not bottoming out, but the ride was 100% better. My shocks are fine after all...." Read more

    "...Load capacity is increased without hurting the ride. Handling feels much more stable in the corners and the rear feels much more connected to the..." Read more

    20 customers mention20 positive0 negative

    Customers appreciate the value of the spring kit. They say it is an inexpensive good fix for improving load capacity and a great cheap upgrade. Some say they have had no problems with it and that it saved them time and money.

    "...If you have saggy springs consider the product -- it's inexpensive (less than a bag of groceries) and I think you will be pleased." Read more

    "...All in all, probably not a permanent fix, but a good low-cost, easy install option for getting a little more life out of marginal springs." Read more

    "...So far I’ve had no problems. Spring kit is worth it, but minus 1 star for no angled U-bolts. Install took 1 hour...." Read more

    "...but they do appear to be a quality product, easy to install, and very economical compared to alternatives...." Read more

    6 customers mention6 positive0 negative

    Customers are satisfied with the height of the auto part. They mention that it helps to raise the back end up. Some say that the cap doesn't lift but may stabilize worn springs.

    "...I wouldn't think of these as providing "lift" but the rear is sitting noticeably higher with the cap on, and you can adjust a bit for the driver's..." Read more

    "...I put them on and cranked them all the way down. It gave me about an inch of lift...." Read more

    "...It works for light uses, it definitely raised my back end up, but I wish I had bought the heavier model...." Read more

    "...They raised the rear about an inch...." Read more

    19 customers mention9 positive10 negative

    Customers have mixed opinions about the fit of the air ride suspension. Some mention that it fits fine and is very adjustable, while others say that it does not fit their vehicle, the fitment guide on Amazon is incorrect, and it was a somewhat tight fit laterally. However, as far as they can see nothing is rubbing and the jankey nuts barely fit their wrenches.

    "...It was a somewhat tight fit laterally but as far as I can see nothing is rubbing...." Read more

    "...Medium Duty Load levelers to each of my trucks axles... fit was perfect for this truck!..." Read more

    "Doesnt fit (Without modifications)...." Read more

    "...This fits fine, I could tell a difference right away with the height, as the springs were almost bent backward...." Read more

    19 customers mention13 positive6 negative

    Customers are mixed about the spring strength of the auto part. Some mention that it's a good helper spring, it helps to eliminate sway, and it gives your rear springs that extra support when towing a trailer without changing them. However, others say that their springs are a bit weak and they were flat.

    "...Install took 1 hour. Check pics, leaf springs are not sagging. I also torqued rear U-bolt down to the calm on rear leaf, seems to be the sweet spot." Read more

    "...I used a sawzall with a coarse metal blade.The helper springs helped me a lot...." Read more

    "With my added washers installed on my 1998 Caravan. Caravan springs were very weak from age...." Read more

    "...Now when the camper is on the truck it rides level and feels more stable when driving. When the camper is off, it rides firmly but not too harsh...." Read more

    This fits 98 Dodge Caravan, however,  you need to add washers, or spacers, to bottom of U-Bolts
    5 Stars
    This fits 98 Dodge Caravan, however, you need to add washers, or spacers, to bottom of U-Bolts
    The description when ordering, says this won't fit my 1998 Dodge Grand Caravan, however, it fits! I had to add spacers to the bottom of the U-Bolts, I used (oversized Nuts) so that the assembly would be totally tight with the spring. (SEE PHOTOS) The leaf spring on my Dodge Caravan are a single leaf where these helpers attach, so spacers are needed for U-Bolts, to totally tighten snug. This fits fine, I could tell a difference right away with the height, as the springs were almost bent backward. I added these to the back of the leaf springs, and it worked so well, I'm ordering another set to put on the front of the back leaf springs. Remember, as long as the springs are the close to the same size, they will fit, you may, however, need to add spacers as I did. Great Product, although the mfg needs to add spacers to the kit to fit snug to vehicles like mine.
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    Top reviews from the United States

    Reviewed in the United States on June 5, 2014
    23 people found this helpful
    Report
    Reviewed in the United States on October 29, 2022
    4 people found this helpful
    Report
    Reviewed in the United States on February 6, 2019
    Customer image
    4.0 out of 5 stars TOYOTA AXLE WRAP GONE!
    Reviewed in the United States on February 6, 2019
    2003 Toyota 2.7 prerunner with 3” lift.
    Excellent results, Spring kit really helped with axle wrap. Highly recommend! Here's my take,

    Pros
    Easy install, one 11/16 wrench.
    Ride is better, got rid of the “thud” at stops and start.
    Extra benefit for towing and hauling.
    Very ridged and high quality.

    Cons

    It’s a known fact and bit frustrating when installing springs on certain models. On my model you can see in my pics, the rear U-bolt lands right over the tailpipe. I’ve read on some Toyota forums hellwig makes angled U- bolts for certain applications. For $65 you’d think they could throw a couple in for mounting options. I was able to make it work by cutting a 1/2” off one side of you bolt above tailpipe. So far I’ve had no problems.
    Spring kit is worth it, but minus 1 star for no angled U-bolts. Install took 1 hour. Check pics, leaf springs are not sagging. I also torqued rear U-bolt down to the calm on rear leaf, seems to be the sweet spot.
    Images in this review
    Customer image Customer image
    Customer imageCustomer image
    10 people found this helpful
    Report

    Top reviews from other countries

    bre
    5.0 out of 5 stars Worked on my 2020 Taco
    Reviewed in Canada on April 21, 2023
    JJ
    5.0 out of 5 stars Works well stiffens leaf springs
    Reviewed in Canada on July 28, 2023
    Canadian Dude
    4.0 out of 5 stars Decent
    Reviewed in Canada on October 25, 2021
    Leapster
    5.0 out of 5 stars Just what was needed for my 04 Frontier!
    Reviewed in Canada on July 11, 2019
    walter
    1.0 out of 5 stars Poor service
    Reviewed in Canada on September 8, 2023