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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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$104.64
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Hellwig EZ-550 Helper Spring Kit - 550
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Price$104.64$158.83$175.06$183.06$162.01$165.93
Delivery
Get it Mar 27 - 29
Get it Mar 25 - 26
Get it Mar 25 - 26
Customer Ratings
Easy to install
4.7
4.7
4.2
4.1
4.1
4.8
Value for money
4.6
4.6
4.0
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4.1
4.6
Stability
4.8
5.0
4.1
Sold By
Trends Auto
WunderCarParts
WunderCarParts
Trends Auto
Purely Power Sports
Purely Power Sports

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 ease of installation, performance, stiffness, quality and value of the auto part. For example, they mention it works well, it's adjustable and it improves ride quality. Some are satisfied with height. That said, opinions are mixed on fit.

    AI-generated from the text of customer reviews

    53 customers mention53 positive0 negative

    Customers find the installation process of the auto part to be easy. They mention that the instructions are straightforward and not too hard to understand.

    "...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

    42 customers mention38 positive4 negative

    Customers are satisfied with the performance of the spring kit. They mention that it works well, it helps eliminate sway, and it works great for leveling their Cherokee. Some say that it's easy to install and works for light uses.

    "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

    "...on several of my trucks and suvs over the years, they are a great product and Ez to install...." Read more

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

    30 customers mention27 positive3 negative

    Customers appreciate the stiffness of the springs. They say it improves the stiffiness, making the truck ride level and more stable when driving. They also say the spring helps eliminate sway and bottoming out. Customers also mention that the spring is good helper springs that allow them to stiffen up the rear end.

    "...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

    "...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

    "...This product gave the truck support enough to carry its weight. No more bottoming out." Read more

    27 customers mention22 positive5 negative

    Customers like the quality of the springs. They mention that it is a quality built product, the spring itself appear to be good quality, and it is strong. Some say that the spring set improves the ride quality of their truck.

    "...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

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

    "The springs themselves appear to be good quality and are holding up nicely on the van...." Read more

    21 customers mention21 positive0 negative

    Customers are satisfied with the value of the spring kit. They mention it's an inexpensive good fix for improving load capacity. Some say that it'll save 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

    13 customers mention13 positive0 negative

    Customers like the height of the product. For example, they mention it helps to raise the back end up, and it does assist in leveling the car when towing a load. Some say that it works for light uses and does not add ride height.

    "...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

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

    "...This product gave the truck support enough to carry its weight. No more bottoming out." Read more

    "...It lifted the load back up to level and did not change the ride. I measure about an inch of lift at the springs. I am very happy with this product...." Read more

    20 customers mention10 positive10 negative

    Customers are mixed about the fit of the auto part. Some mention that it fits fine, is very adjustable, and has more control in curves. However, others say that it doesn't fit without modifications, does not fit a gen 3 2016-2018 Tacoma, and the fitment guide on Amazon is incorrect.

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

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

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

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

    7 customers mention0 positive7 negative

    Customers are dissatisfied with the springs. They mention that the spring is shot, flat, and weak. Some customers also report that the hardware was delivered without a spring.

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

    "...me time and money, although, it does point out the fact that my springs are shot and need to be replaced instead of just using a band aid repair,..." Read more

    "...I installed this set on my 2001 Jeep Cherokee because the leaf springs were pretty flat and saggy, also leaned a little more on the driver side...." Read more

    "Easy to install on my 2012 tacoma. My springs were flat so I was hoping to use these as a bandaid." 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