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MORryde Suspension Upgrade Kit for Tandem Axle Trailers w Correct Track - 2-1/4" Shackle Straps
MORryde

MORryde Suspension Upgrade Kit for Tandem Axle Trailers w Correct Track - 2-1/4" Shackle Straps

Part Number: MR58ZR
In Stock
$133.24
Trailer Suspension Parts
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Extend the life of your trailer's suspension with this heavy-duty hardware kit. 1/2" Thick steel shackle straps will outlast the standard straps on your double-eye leaf springs. Wet bolts and bronze bushings help keep your setup lubricated. Great Prices for the best trailer suspension parts from MORryde. MORryde Suspension Upgrade Kit for Tandem Axle Trailers w Correct Track - 2-1/4" Shackle Straps part number MR58ZR can be ordered online at etrailer.com or call 1-800-940-8924 for expert service.
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MORryde Trailer Suspension Parts - MR58ZR

Highlights

  • Heavy-duty shackle straps: 1/2" thick steel for superior durability and lifespan.
  • Efficient lubrication: Wet bolts with grease fittings ease maintenance and reduce wear.
  • Long-lasting components: Bronze bushings outperform common plastic alternatives.
  • Tailored for Correct Track: Perfect for tandem-axle trailers with this alignment system.
  • Comprehensive kit: Includes 8 shackles, 14 bolts, and 14 bushings for a complete upgrade.
  • Simple installation: Quick setup with parts replacing existing suspension hardware.

Features to know about

Extend Your Trailer's Lifespan: Heavy-Duty Shackle Straps

Upgrade your trailer’s suspension and extend its life with this MORryde Suspension Upgrade Kit. Featuring 1/2" thick steel shackle straps, these components are twice as thick as most stock shackles, providing exceptional durability and reliability. Designed specifically for tandem-axle trailers with Correct Track alignment and lift kits, each shackle strap spans 2-1/4 inches between bolt centers, offering a robust solution to keep your trailer from premature wear and tear.

Reduce Maintenance Hassles: Wet Bolts with Built-In Grease Fittings

Simplifying maintenance and extending the longevity of your trailer suspension setup, these wet bolts come equipped with built-in grease fittings. These long-lasting bolts are designed for easy lubrication, reducing the frequency and complexity of maintenance tasks. The kit includes 12 wet bolts measuring 3-3/8 inches and 2 measuring 2-7/8 inches, tailored to accommodate Correct Track-compatible systems.

Smooth, Seamless Travel: Durable Bronze Bushings

Say goodbye to the shortcomings of standard plastic bushings. This kit includes 14 bronze bushings, significantly more durable and long-lasting than typical options. With dimensions of 11/16" outer diameter, 9/16" inner diameter, and 1-3/4" length, these bushings perfectly fit the wet bolts and eliminate the common issues of squeaking and excessive wear, ensuring a smoother, quieter ride.

Effortless Installation: Comprehensive Hardware Kit

Streamline your suspension upgrade process with this all-inclusive hardware kit. It contains 8 shackle straps, 14 wet bolts, 14 bronze bushings, and 14 locknuts, fully replacing your existing suspension hardware. Installation is quick and straightforward, requiring only standard tools and a bit of time. Made in the USA, this kit is a surefire way to bolster your trailer potential with minimal hassle.

Strength You Can Trust: Tailored for Rough Roads

Whether you're navigating rocky terrains or just on a cross-country journey, rest assured this kit can handle it. Its robust construction is designed to withstand the rigors of off-road driving, providing peace of mind no matter where your adventures take you. The kit not only delivers strength and reliability but also significantly enhances your RV's road handling capabilities.

Specs

Application

  • Application: Tandem-axle trailers with Correct Track alignment and lift kits

Shackle Strap

  • Shackle strap length: 2-1/4" (from center of hole to center of hole)

Bolt Hole

  • Bolt hole diameter: 9/16"

Wet Bolts

  • Wet bolt dimensions:
    • (12) 9/16" Diameter x 3-3/8" long
    • (2) 9/16" Diameter x 2-7/8" long

Bushing Dimensions

  • Outer diameter: 11/16"
  • Inner diameter: 9/16"
  • Length: 1-3/4"

Warranty

  • 1-Year limited warranty

UO12-029 MOR Ryde Shackle and Wet Bolt Kit - Tandem Suspension with 2.25'' Shackles and Correct Track

Installation Details MR58ZR Installation instructions



Customer Satisfaction Score:

Ratings & Reviews

4.7

1634 reviews
5 Stars
(1334)
4 Stars
(195)
3 Stars
(34)
2 Stars
(23)
1 Star
(48)
Extend the life of your trailer's suspension with this heavy-duty hardware kit. 1/2" Thick steel shackle straps will outlast the standard straps on your double-eye leaf springs. Wet bolts and bronze bushings help keep your setup lubricated.

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See what our Experts say about this MORryde Trailer Suspension Parts

  • Will MORryde Suspension Upgrade Kit MR98ZR Work With Road Armor Equalizers?
    As long as your trailer has the Correct Track and 3-1/8" long shackles measured center to center of the holes the MORryde Suspension Upgrade Kit for Tandem Axle Trailers w Correct Track - 3-1/8" Shackle Straps # MR98ZR will work just fine with your Road Armor Equalizers. If you have Correct Track but have short shackles you will need the # MR58ZR with 2-1/4" shackles instead. Now if your trailer does not have the Correct Track you will need either # MR76ZR if you have 3-1/8" shackles...
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  • Is Correct Track Trailer Alignment and Lift Kit Compatible With MORryde Suspension Upgrade Kit
    If you install the Correct Track Trailer Alignment and Lift Kit # RR23QX it will require longer bolts but MORryde makes a kit specifically for this. To find the right MORryde Suspension Upgrade Kit for Tandem Axle Trailers w Correct Track you will need the center to center bolt hole measurement from your current shackle straps. If you have 2-1/4" shackles you need the MORryde Suspension Upgrade Kit for Tandem Axle Trailers w Correct Track # MR58ZR. If you have 3-1/8" you need the # MR98ZR...
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  • Selecting The Correct Cushioned Equalizer and Wet Bolt Kit For a Grand Design 2800BH
    The Lippert Equa-Flex # LC145546 is the closest cushioned equalizer from Lippert to fitting your Grand Design 2800BH. This particular kit is rated for 5K-8K axles. The MORryde CRE3000 # MR27ZR is going to be the best option for your camper. While this is rated for axles up to 8K all of the CRE3000 equalizers carry this same weight capacity. Do understand the different constructions for these equalizers mean while they may look similar they actually operate differently and since the Lippert...
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  • Cushioned Equalizer Recommendation for Trailer with 33 inch Wheelbase
    For a trailer like your 2017 Shadow that has a 33 inch wheelbase the best cushioned equalizer upgrade is the MORryde ALLTREK 4000 part # MR89DR which is only option that has vertical and horizontal cushioning. To upgrade your shackles you'd want the part # MR76ZR for if you need 3-1/8 inch shackles or part # MR58ZR for if you need 2-1/4 inch. This comes with new bushings, wet bolts, and heavy duty shackles.
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  • What Size Shackle Straps Do I Need for a 2022 Grand Design Imagine XLS 17MKE Travel Trailer?
    Yeah I wouldn't trust AI on that one. The easiest way to determine what size shackle straps you need is going to be to measure yours. The shackles on the MORryde item # MR58ZR measure 2-1/4" long and the shackles with item # MR98ZR are 3-1/8" long. You'll want to measure from center to center of the bolt holes as shown in the included diagram. Which ever one is closest to what you currently have is what you will want to go with. How did you decide on the MORryde Shock Absorbing Suspension...
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  • Can Both MORryde Suspension Upgrade Kit Shackle Strap Lengths Be Used With MORryde 3000
    Hi Hallzy; the # MR46ZR and # MR76ZR can both be used with the MORryde 3000. The 3-1/8" might get you a little height but at the cost of potentially throwing off your suspension geometry like I mentioned before. If you want to risk throwing off other components and adding increased wear that is up to you but I still recommend adding taller hangers. If you really don't want to cut off and weld on taller hangers you can use the Correct Track # RR23QX which will raise the trailer 1-1/4"...
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  • Replacement Bearings for a Dexter 7,000 lbs Axle and Wet Bolts for a Morryde CRE 3000
    I sure can! To replace the bearings in your 2023 Grand Design with Dexter 7,000 lbs axles you will need the following parts: Inner Bearing - Replacement Trailer Hub Bearing item # 25580 Outer Bearing - Replacement Trailer Hub Bearing item # 14125A These part numbers are for the individual replacement bearings. We do have options for complete kits that also include the races and grease seals, however there's two options for grease seals on Dexter 7,000 lbs axles. You will want to use...
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  • How To Select The Correct MORryde AllTrek Equalizer For a Tandem Axle Trailer
    The best way to find the correct replacement for your equalizer is by measuring the distance from the front shackle hole to rear shackle hole on your current equalizer. The 33" AllTrek # MR89DR has the holes spaced 6-1/2" on center while the 35" AllTrek # MR29DR spaces the holes 8" on center. While the MORryde qualifier is very helpful I find that measuring is best since different trailer manufacturers do not always follow the same practices for welding on the spring hangers and setting...
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  • Replacement Flange Lock Nuts For MORryde Suspension Upgrade Kit # MR58ZR
    The MORryde Suspension Upgrade Kit # MR58ZR uses the Flange Lock Nut # 006-092-01.
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  • MORryde Wet Bolts and Crossmembers Compatible With ALLTREK 4000 Tandem Axle Trailer Equalizers
    With the MORryde ALLTREK 4000 # MR89DR you will need to select one of the wet bolt kits from the list below depending on what your trailer currently has. The lengths are measured from center of shackle mounting hole to center of mounting hole. MORryde Suspension Upgrade Kit for Tandem Axle Trailers - 2-1/4" # MR46ZR MORryde Suspension Upgrade Kit for Tandem Axle Trailers - 3-1/8" # MR76ZR MORryde Suspension Upgrade Kit for Tandem Axle Trailers w Correct Track - 2-1/4" # MR58ZR MORryde...
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  • MORryde Cushioned Equalizer Kit for 2017 Keystone Outback Ultra Lite 278URL with 33" Wheelbase
    The MORryde Cushioned Equalizer kit part # MR87ZR is the correct kit for your 2017 Keystone Outback Ultra Lite 278URL based on your axle capacity and wheelbase. Then to compensate for it replacing your shorter width equalizer you'd want to go with the shorter shackle kit part # MR58ZR which has shackles that are 2-1/4 inches long.
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  • Selecting the Equa-Flex Cushioned Equalizers For a Forest River Cherokee Artic Wolf 23MLE 5TH Wheel
    You will want to use the Equa-Flex Cushioned Equalizers # LC279687 on your Forest River Cherokee Artic Wolf 23MLE 5th wheel. These equalizers are much closer to your 6-1/8" spread at 5-1/2". They are also designed for the lighter axles you have under your 5th wheel since they were designed for axles with individual capacities ranging from 3,000-6,000lbs. The Equalizers # LC279688 you found are not going to work correctly as the 7-1/2" bolt centers are much more than the difference above...
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  • Does The MORryde Suspension Upgrade Kit # MR58ZR Contain Wet Bolts For All The Hangers?
    Yes, the MORryde Suspension Upgrade Kit # MR58ZR does include wet bolts for the front, rear and center hangers as well as the the wet bolts for the shackles. Do be sure you have the correct track style hangers as this kit has the longer bolts those hangers require. If you do not have correct track hangers you want to use the Kit # MR46ZR as it has the shorter bolts for standard hangers. I recommend using the Grease # L11390 with a grease gun like the # L30416 which makes it easier access...
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  • Lift Kit and Wet Bolt Kit for 2019 Dutchmen Voltage 3815
    We do have what you're looking for, but some more information will be required to find the right parts. If your leaf springs run under your axle you can use a flip kit for a lift. Based on your GVWR I'm assuming you have 6,000 - 7,200 lb axles which would have a 3" diameter. If that is the case, you can use the Dexter Trailer Springs Over-Under Conversion Kit # K71-385-00. This will raise your trailer by the diameter of the axle plus the height of the leaf spring stack. If your leaf springs...
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  • Recommended Equalizer Upgrade For a Tandem Axle Trailer With 5-3/4" Wide and 2" Tall Equalizer
    I recommend installing the MORryde Rubber Equalizers # MR87ZR on your trailer. This equalizer is slightly longer and taller than your current equalizer but will still work with your suspension. We have either the MORryde Suspension Upgrade Kit # MR46ZR which fits with standard hangers or the Correct Track Kit # MR58ZR which is for trailers that have adjustable hangers. Both kits use shackle straps which are 2-1/4" on center. This is probably the size you have as thinner shackle straps tend...
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  • Parts Needed To Raise 2021 Grand Design Imagine 2970RL And Add Wet Bolt Suspension
    To both raise the suspension and add wet bolts you will want to start with the Correct Track Trailer Lift Kit # RR23QX. This kit will allow you to raise your tandem axle 2021 Grand Design Imagine 2970RL either 1-1/4" or 2-1/4". You will then pair it with either the 2-1/4" # MR58ZR or 3-1/8" # MR98ZR wet bot kits. You will need to measure your current shackle length from center of bolt to center of bolt to ensure you get the correct kit. Choose the length that is closest to your shackle length.
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  • Does MORryde Suspension Upgrade kit part # MR58ZR Come with Correct Bolts/Hardware
    Yes, all of the correct bolts and hardware are included with the MORryde Suspension Upgrade kit part # MR58ZR that you referenced.
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  • Recommended Shackle Kit For Use When Installing 4,000LB Axle Leaf Springs
    When installing the 4-Leaf Double-Eye Spring for 4,000-lb Trailer Axles # e48SR I recommend using one of the kits below depending on the amount of axles you have and the length of the current straps. While the length does not have to match exactly you will want it as close as possible to maintain your current ride height. Dexter Heavy Duty Suspension Upgrade Kit for Single Axle Trailers # K71-358-00 MORryde Suspension Upgrade Kit for Tandem Axle Trailers - 2-1/4" # MR46ZR MORryde Suspension...
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  • Recommended MoRryde Equalizer and Replacement Shackles for a 2023 CrossRoads Sunset Trailer
    Thanks for the measurements and additional information! To determine which MORryde Equalizer you need you'll want to measure the distance at the bottom of your current equalizers from the center to the center of the bolt holes. The MORryde item # MR87ZR measures 6-1/2" and is for 33" wheelbases. The MORryde item # MR27ZR measures 8" and is for 35" wheelbases. I have linked a couple of diagrams below. To replace your 2-1/4" shackles, I recommend the MORryde Suspension Upgrade Kit item...
    view full answer...
    Image 1 for Image 2 for Image 3 for
  • Can I Use MORryde Suspension Bolt Kit with Road Armor Equalizers?
    You can definitely use the MORryde suspension bolts if that's what you're wanting to use. The correct kit depends on what your trailer is currently equipped with and how long your shackle straps are (see attached photo of where to measure). If you have the Road Armor and Correct Track 2-1/4" Shackle Straps - # MR58ZR 3-1/8" Shackle Straps - # MR98ZR If you only have the Road Armor 2-1/4" Shackle Straps - # MR46ZR 3-1/8" Shackle Straps - # MR76ZR We always recommend when you do something...
    view full answer...
    Image 1 for
  • Troubleshooting Lower Suspension Height On a 371 Fuzion 5TH Wheel Toy Hauler With MORryde CRE3000
    It is normal for the rubber to push out of your MORryde Shock Absorbing Suspension Equalizers # MR27ZR the way it is. The main issue I see is your Shackle Strap # TRSL313 is wearing out. I can see a bit of the hole on the top left strap which means the holes in the strap are being elongated. I recommend replacing these immediately with one of the following kits. MORryde Suspension Upgrade Kit for Tandem Axle Trailers - 2-1/4" # MR46ZR MORryde Suspension Upgrade Kit for Tandem Axle Trailers...
    view full answer...
    Image 1 for
  • How Many MORryde X-Factor Crossmember Supports Are Needed For A Tandem Axle Trailer?
    The MORryde X-Factor Crossmember for CRE, SRE, or Stock Leaf Spring Suspension # MR33WR includes one adjustable crossmember. Your existing hardware will be too short due to the extra thickness of the crossmember, so you will need to add # MR58ZR if your current shackles are 2-1/4" long, or # MR98ZR if your current shackles are 3-1/8" long. This will install to the leaf spring hangers, located in-between the front and rear axle. So, for full support, a tandem axle trailer will utilize 3.
    view full answer...
    Image 1 for
  • MORryde AllTrek 4000 Equalizers for Tandem Axle Trailers With 35" Wheelbase
    We do carry the MORryde AllTrek 4000 Equalizers for Tandem Axle Trailers # MR29DR. This is going to be their 35" wheelbase version which is going to be 8" from center of front shackle mounting hole to the center of the rear shackle mounting hole. I recommend pairing this with one of their shackle kits. MORryde Suspension Upgrade Kit for Tandem Axle Trailers - 2-1/4" Long Shackle Straps # MR46ZR MORryde Suspension Upgrade Kit for Tandem Axle Trailers - 3-1/8" Long Shackle Straps # MR76ZR MORryde...
    view full answer...
  • Replacement Shackle/Wet Bolt Kit for MORryde CRE/3000 Axle
    The correct wet bolt/ shackle upgrade kit for your MORryde CRE/3000 axle will depend on the length of your current shackle links, measured center hole to center hole. For 2-1/4 inch shackle links, use # MR46ZR or for 3-1/8 inch shackle links, use # MR76ZR. If your suspension uses the Correct Track alignment/lift kit, use # MR58ZR for 2-1/4 inch links or # MR98ZR for 3-1/8 inch shackle links.
    view full answer...


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Info for this part was:

Employee Mike L
Expert Research:
Mike L
Employee Jameson C
Expert Research:
Jameson C
Employee Lindsey S
Edited by:
Lindsey S
Employee Jeff D
Installed by:
Jeff D
Employee Dustin K
Video Edited:
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Employee Leah S
Updated by:
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Employee Wilson B
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Employee Noah M
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Employee Mike S
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Mike S

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