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  • Happijac 191025 Jack Stabilizer Travel Trailer Scissor Jack - Set of 6
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Happijac 191025 Jack Stabilizer Travel Trailer Scissor Jack - Set of 6

4.3 out of 5 stars 580 ratings
To see product details, add this item to your cart. You can always remove it later.

Purchase options and add-ons

Vehicle service type Car, Trailer
Material Alloy Steel
Brand Lippert Components
Colour Yellow
Item weight 17.69 kg
Item dimensions L x W x H 73 x 10.8 x 11.4 Centimetres
Minimum height 4.5 Inches
Style Scissor Jack
Manufacturer NOSYJ
UPC 689076287340

About this item

  • JT's Strong Arm Jack Stabilizer system for travel trailers is a one time, permanent installation that virtually eliminates chassis movement in fifth wheels and travel trailers
  • Stabilizers telescope into place when the jacks are lowered
  • Turn of the "T"- handle on each stabilizer locks the system in place for a rock-steady RV
  • Stabilizers retract with the jacks
  • JT's Strong Arm Jack Stabilizer system for travel trailers is a one time, permanent installation that virtually eliminates chassis movement in fifth wheels and travel trailers^Stabilizers telescope into place when the jacks are lowered^Turn of the "T"- handle on each stabilizer locks the system in place for a rock-steady RV^Stabilizers retract with the jacks

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Happijac 191025 Jack Stabilizer Travel Trailer Scissor Jack - Set of 6
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Spend less time setting up and more time camping.

Lippert has developed a range of leveling and stabilization solutions to enhance set up for your RV. We’ve made it faster, easier and simpler to get your 5th wheel RV or travel trailer up and running at the campsite. From one-touch leveling systems to jacks, chocks and exact-match replacement parts, we're you're one-stop-shop for all things leveling and stabilization.

Leveling

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Ground Control TT

In less than three minutes, Ground Control TT levels your travel trailer — giving you back time and energy setting up and leveling your campsite manually. Driven by Hall Effect technology, Ground Control TT delivers on precision and accuracy like no other.

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Ground Control 3.0

Skip setting up your campsite and get straight to the good stuff with Ground Control 3.0. This powerful, automatic leveling system allows 5th wheel RV owners to fast-forward through the hassle of manual jacks and chocks, with just the push of a button.

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Level Up And Power Gear Replacement

We also supply replacement parts for our Level Up hydraulic leveling system and the Power Gear hydraulic leveling system for motorhomes. We’ve got the exact replacement equipment you need to get back on the road!

Tongue Jacks

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Power Tongue Jack

Engineered with 30 AMPs of power, the Power Tongue Jack is the electric jack you need to set up your campsite faster and easier. Plus, it comes equipped with four integrated LED lights that conveniently shine on the coupler for night-time operation, quiet, yet efficient, helical-cut gears.

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Power Stance Tongue Jack

Delivering on power, versatility, and durability like never before, the Power Stance Tongue Jack was engineered with all of the same great features as our original power tongue jack — and then some. This jack can be operated with an industry-first 2-way to 7-way plug powering system.

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Power Swap Auxiliary Cord

The Power Swap Auxiliary Cord can be added to any Power Stance electric jack — allowing you to easily connect your jack directly to your tow vehicle without worrying about draining your RV’s power. Simply connect the 2-way plug to your Power Stance and the 7-way plug to your tow vehicle’s adapter.

Stabilizers and Leveling Accessories

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JT's Strong Arm

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Replacement Parts

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Motors And Pumps

With our exact-match pumps and motors, you can easily get your electric or hydraulic leveling and stabilizing gear up and running.

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Product description

JT's Strong Arm Jack Stabilizer system for travel trailers is a one time, permanent installation that virtually eliminates chassis movement in fifth wheels and travel trailers. Stabilizers telescope into place when the jacks are lowered. Turn of the "T"- handle on each stabilizer locks the system in place for a rock-steady RV. Stabilizers retract with the jacks.

Product information

Technical Details

Manufacturer ‎NOSYJ
Place of Business ‎Chesaning, MI 48616, USA
Brand ‎Lippert Components
Model ‎Lippert 191025: Jt Strongarm Jack Stabilizer Kit, Travel Trailer
Product Dimensions ‎73.03 x 10.8 x 11.43 cm; 17.69 kg
Item model number ‎191025
Is discontinued by manufacturer ‎No
Exterior ‎Other
Manufacturer part number ‎191025
Special features ‎Travel Trailer Kit - does not include pieces for landing gear attachment, Standard Fifth-Wheel Kit - 58" and over between landing gear, Short Fifth-Wheel Kit - under 58" between landing gear
Item Weight ‎17.7 kg

Additional Information

ASIN B001UGLPAC
Customer Reviews
4.3 out of 5 stars 580 ratings

4.3 out of 5 stars
鶹 Rank
Date First Available April 14 2012

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Happijac 191025 Jack Stabilizer Travel Trailer Scissor Jack - Set of 6

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Price$578.37$420.52$1,026.81$51.44$56.99$69.48
Delivery
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Get it Jul 30 - Aug 5
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Customer ratings
4.34.3 out of 5 stars580
4.64.6 out of 5 stars44
4.54.5 out of 5 stars169
4.14.1 out of 5 stars91
4.34.3 out of 5 stars473
5.05.0 out of 5 stars3
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Customer reviews

4.3 out of 5 stars
580 global ratings

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Customers say

Customers like the build quality, stability, and value for money of the utility jack. They mention it's very well-made, helps stabilize the trailer nicely, and is well worth the money. Some say it works great and is satisfied for now. However, some customers disagree on the installation.

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Build qualityStabilityValue for moneyFunctionalityInstallation
14 customers mention "Build quality"14 positive0 negative

Customers like the build quality of the utility jack. They mention it's well-made, solid, and stable.

"Excellent product, Took some time to install, but not long to really complain...." Read more

"very good product.just like in the video,push the trailer and it rocks on the jacks, tighten the t handels and it doesnt move.not to bad to install" Read more

"...Use YouTube video for installing. Makes my camper very sturdy with no movement. Wish I knew about this earlier." Read more

"...The trailer is so solid and they are permanently installed (nothing to store). They are heavy duty, 50 pounds worth!..." Read more

8 customers mention "Stability"8 positive0 negative

Customers like the stability of the utility jack. They mention the strong arm combined with Bal wheel chocks makes the fifth wheel rock solid. Customers also say the components and hardware provided are of good quality.

"...Use YouTube video for installing. Makes my camper very sturdy with no movement. Wish I knew about this earlier." Read more

"I have a 29bh the difference in the movement is amazing. There's little to no movement" Read more

"...To my amazement, quality components telescope, pivot and move quite well when moving my scissor jacks up or down...." Read more

"...The strong arm combined with Bal wheel chocks the trailer has no wiggle now. Install took about 2 hours for installation of all 6 arms and 4 new jacks" Read more

8 customers mention "Value for money"8 positive0 negative

Customers are satisfied with the value for money of the utility jack. They mention it's heavy-duty, 50 pounds worth, and can be used in high-end trailers.

"...They are heavy duty, 50 pounds worth! They could definitely be lighter but are very worth it." Read more

"Delivery was quick and product value is quite good. Components and hardware provided are of good quality...." Read more

"This is a must have. Comes factory in many large 5th wheels and high end trailers. I got it installed by a dealer. All parts were there...." Read more

"...we did the back, but will be adding them to the front as well, money well spent!" Read more

7 customers mention "Functionality"7 positive0 negative

Customers are satisfied with the functionality of the product. They mention it works great and helps stabilize the trailer nicely.

"Works awesome, I didn’t pay enough attention when ordering so I had to fabricate a couple brackets but the Fifth wheel is rock solid now...." Read more

"Definitely helps, but not as much as I had hoped. I spend LOTS of time on my camper, so it was worth it for me...." Read more

"...Once installed, it works okay. The homemade system (4 4 foot 2x4s, 2 ratchet straps, and four eye bolts) I was using before works a lot better...." Read more

"Satisfied for now." Read more

13 customers mention "Installation"6 positive7 negative

Customers have mixed opinions about the installation of the utility jack. Some mention it's easy to install, while others say the instructions are somewhat sketchy and terrible to follow.

"missing to legs/feet and very poor instructions" Read more

"...The trailer is so solid and they are permanently installed (nothing to store). They are heavy duty, 50 pounds worth!..." Read more

"Instructions that come with it are terrible to follow. Use YouTube video for installing. Makes my camper very sturdy with no movement...." Read more

"Pretty easy install...more pictures in the guide would help. Took most of the time to read instructions." Read more

It works
4 out of 5 stars
It works
When you first open the box there appears to,be a lot of hardware. Don’t worry, most of it is the same, it took me 5-6 hours to get them installed but I’m slow and deliberate. That and having the right tools makes a big difference. Your type of unit also makes a big difference. You need a cross frame piece at the front and two frames, one on either side. You also need a cross frame piece at the rear. I didn’t have one on the rear and had to have a 2” piec of angle iron about 30” long welded onto the rear hitch on my trailer. You will need 1/8” or so drill,bit, 5/16 drill bit and a 3/8” drill bit. You will also need cutting liquid or you will ruin several drill bits as I did. You will also want a 3/8” tap with 16 ridges to the inch. The self-tap bolts don’t self-tap. The 5/16 hole is perfect for the tap bit. I also got a reamer which made getting the holes to the right size much easier. The Bolts on my scissor Jack were much smaller than the replacement bolts needed to mount the Armstrongs. Aside from boring out the holes, the drill bits get stuck, hence the need for the reamer. There is also a piece in the scissor Jack that bridges the two bolts and keeps the two sides of the Jack more ridged. That piece also needed to be removed and the holes made larger. As they are semi-circles, the reamer didn’t work. Enter a dremel with a grinding bit. Slow work but got the holes to the right size. A ratchet set and box wrenches also help getting all of the bolts off and on quickly. So, all in all, it can be a faster job if you have the right tools or if your trailer doesn’t need as many modifications. Oh, yes, I also borrowed the neighbours creeper which meant sliding around beneath the trailer frame much easier. Not necessarily more comfortable. Also, I used safety glasses, they tend to fog up but better than iron filing in the eye. My wife is very happy with the results, so it was worth the aggravation.
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Top reviews from Canada

  • Mike Verboom
    5.0 out of 5 stars Works Great
    Reviewed in Canada on September 22, 2023
    Verified Purchase
    Instructions that come with it are terrible to follow. Use YouTube video for installing. Makes my camper very sturdy with no movement. Wish I knew about this earlier.
    Helpful
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  • Mark
    5.0 out of 5 stars I installed these on our 24' bunk model after a ...
    Reviewed in Canada on July 7, 2015
    Verified Purchase
    I installed these on our 24' bunk model after a season of waking up if the kids moved too much. Should have done this last year!! Only issue was my cheap scissor jacks had 5/16" bolts so I had to enlarge the holes for the 3/8" eye bolts. The trailer is so solid and they are permanently installed (nothing to store). They are heavy duty, 50 pounds worth! They could definitely be lighter but are very worth it.
    2 people found this helpful
    Helpful
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  • Pat B.
    4.0 out of 5 stars JT's Strong Arm Jack Stabilizer kit (travel trailer) - Not that easy to install after all.
    Reviewed in Canada on July 12, 2019
    Verified Purchase
    Delivery was quick and product value is quite good. Components and hardware provided are of good quality. Installation is more elaborate than anticipated, however. Hi-speed steel bits, lubricating products and a tapping kit were required, in addition to other standard tools (ratchet, drill, personal protective equipment, etc.), patience and a little creativity.

    My travel-trailer (33-ft Passport Ultra-Light) has an insulated underbelly which means I do not have access to cross section steel frames as is required for optimal installation. Instruction manual is ok at best, but, when prompted to call JT technical support (Lippert Components Inc.), I spoke with Vance (after several tries and waiting some time on the phone) who promptly informed me that I could install my front stabilizers to the A-Frame portion of my trailer. In doing so, my front stabilizers would no longer be mounted at 90 degrees from one another (you install 2 on each side at the front, 1 on each side at the back, for a total of 6), but rather at a 20-degree angle, at best. To my amazement, quality components telescope, pivot and move quite well when moving my scissor jacks up or down. Although the "triangulation" is done, this limited angle probably doesn't really help so much with side-to-side stabilization, however. An option could have been to install a cross steel beam at the front portion of my trailer (this is more expensive, more work and adds additional weight) which I chose not to do. All in all, my travel trailer is indeed much more stable and the JT's Strong Arm Jack Stabilizer kit did what it promised. I notice a big difference when stepping in or out of the trailer. I did have to move my steel propane gas conduit an inch or so out of the way (at the front and back of my trailer, on one side) to allow for enough of the steel chassis to drill into. An online video of how to deal with possible installation obstacles would have been appreciated. The installation video available of the jacks on a bare frame is nice, but not nearly representative of my experience. I do recommend this product, but make sure you are patient, handy and creative. Happy RV'ing.
    Customer image
    Pat B.
    4.0 out of 5 stars
    JT's Strong Arm Jack Stabilizer kit (travel trailer) - Not that easy to install after all.

    Reviewed in Canada on July 12, 2019
    Delivery was quick and product value is quite good. Components and hardware provided are of good quality. Installation is more elaborate than anticipated, however. Hi-speed steel bits, lubricating products and a tapping kit were required, in addition to other standard tools (ratchet, drill, personal protective equipment, etc.), patience and a little creativity.

    My travel-trailer (33-ft Passport Ultra-Light) has an insulated underbelly which means I do not have access to cross section steel frames as is required for optimal installation. Instruction manual is ok at best, but, when prompted to call JT technical support (Lippert Components Inc.), I spoke with Vance (after several tries and waiting some time on the phone) who promptly informed me that I could install my front stabilizers to the A-Frame portion of my trailer. In doing so, my front stabilizers would no longer be mounted at 90 degrees from one another (you install 2 on each side at the front, 1 on each side at the back, for a total of 6), but rather at a 20-degree angle, at best. To my amazement, quality components telescope, pivot and move quite well when moving my scissor jacks up or down. Although the "triangulation" is done, this limited angle probably doesn't really help so much with side-to-side stabilization, however. An option could have been to install a cross steel beam at the front portion of my trailer (this is more expensive, more work and adds additional weight) which I chose not to do. All in all, my travel trailer is indeed much more stable and the JT's Strong Arm Jack Stabilizer kit did what it promised. I notice a big difference when stepping in or out of the trailer. I did have to move my steel propane gas conduit an inch or so out of the way (at the front and back of my trailer, on one side) to allow for enough of the steel chassis to drill into. An online video of how to deal with possible installation obstacles would have been appreciated. The installation video available of the jacks on a bare frame is nice, but not nearly representative of my experience. I do recommend this product, but make sure you are patient, handy and creative. Happy RV'ing.
    Images in this review
    Customer imageCustomer image
    3 people found this helpful
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  • T.L
    5.0 out of 5 stars Happijac stabilizers
    Reviewed in Canada on July 15, 2021
    Verified Purchase
    Excellent product, Took some time to install, but not long to really complain.
    The best is to watch a U Tube video on how to install a lot easier then trying to figure out from the instruction due to the different applications with scissor jacks and trailer frames.
    Once installed and set up what a difference trailer rockin gone.
    Helpful
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  • Mike S
    5.0 out of 5 stars If the trailer’s not rocking don’t mean nothing is going on
    Reviewed in Canada on July 28, 2019
    Verified Purchase
    Works awesome, I didn’t pay enough attention when ordering so I had to fabricate a couple brackets but the Fifth wheel is rock solid now. Just double check the part number. Same photos are used for all three versions of the kit
    Helpful
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  • dean
    3.0 out of 5 stars Wrong colour, chipped paint.
    Reviewed in Canada on January 5, 2024
    Verified Purchase
    Arrived and was disappointed that is was yellow in colour, not gray as listed in the description. This may not be a big deal to some, but I find bright coloured accessories to be gaudy on an otherwise attractive looking trailer. Also, some of the paint was chipped and dinged on the bars. This is likely due to the poor packaging and lack of foam/styrofoam used inside of the box.
    Helpful
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  • Jason Orsi
    5.0 out of 5 stars Noticeable diffrence
    Reviewed in Canada on May 17, 2023
    Verified Purchase
    I have a 29bh the difference in the movement is amazing. There's little to no movement
    Helpful
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  • cyber moose
    1.0 out of 5 stars and four eye bolts) I was using before works a lot better. Google 2x4 rv stabilizer and save your money
    Reviewed in Canada on May 2, 2018
    Verified Purchase
    Followed the instructions to the letter. It calls for a total of 6 spacer mounts but the kit only comes with 4. I called Lippert to point this out and they want an additional $16USD each for the two additional spacers I need. Did a bit of a work around and ended up getting it installed without the parts I needed. Once installed, it works okay. The homemade system (4 4 foot 2x4s, 2 ratchet straps, and four eye bolts) I was using before works a lot better. Google 2x4 rv stabilizer and save your money.
    Helpful
     Report

Top reviews from other countries

  • Grandma R
    5.0 out of 5 stars Amazing Stabilzers!
    Reviewed in the United States on July 20, 2025
    Verified Purchase
    We use these stabilizer bars on our electric-motor RV stabilizers. Real easy to install once we looked at other online posts of installations (no instructions - looked at pictures of other folks who bought this and posted how they did it).

    These are HIGH QUALITY solid stabilizer bars. Comes with all the hardware you need. I would recommend the manufacturer send self-drilling screws (would make a quick installation even quicker), but my electric drill did the trick.

    Overall, very satisfied.
    Customer image
    Grandma R
    5.0 out of 5 stars
    Amazing Stabilzers!

    Reviewed in the United States on July 20, 2025
    We use these stabilizer bars on our electric-motor RV stabilizers. Real easy to install once we looked at other online posts of installations (no instructions - looked at pictures of other folks who bought this and posted how they did it).

    These are HIGH QUALITY solid stabilizer bars. Comes with all the hardware you need. I would recommend the manufacturer send self-drilling screws (would make a quick installation even quicker), but my electric drill did the trick.

    Overall, very satisfied.
    Images in this review
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    Report
  • MABS
    5.0 out of 5 stars RVer must have!
    Reviewed in the United States on July 29, 2019
    Verified Purchase
    Don’t stress out about the installation! Just read through the instructions then use common sense to install on your particular RV. We had to make a few modifications to make it work but it’s not hard, really! Just make sure you have the proper clearance to open & close your stabilizers and you’re good. This does take some time to install due to drilling and such so allow yourself the afternoon. They are definitely worth the work! Our RV is much more stable, although there is still some minimal movement. We set up, tighten the arms and then tighten the stabilizers just a bit more to get the best results. If we stay somewhere long term we check level and tighten the arms up again if needed as the ground sometimes settles under the RV. Overall very easy to use and we highly recommend!
    Customer image
    MABS
    5.0 out of 5 stars
    RVer must have!

    Reviewed in the United States on July 29, 2019
    Don’t stress out about the installation! Just read through the instructions then use common sense to install on your particular RV. We had to make a few modifications to make it work but it’s not hard, really! Just make sure you have the proper clearance to open & close your stabilizers and you’re good. This does take some time to install due to drilling and such so allow yourself the afternoon. They are definitely worth the work! Our RV is much more stable, although there is still some minimal movement. We set up, tighten the arms and then tighten the stabilizers just a bit more to get the best results. If we stay somewhere long term we check level and tighten the arms up again if needed as the ground sometimes settles under the RV. Overall very easy to use and we highly recommend!
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    Customer image
    Report
  • Kpcsober
    5.0 out of 5 stars A Must Have
    Reviewed in the United States on June 4, 2015
    Verified Purchase
    I have a 314bds Eagle Superlite Travel.Trailer, and this was the best investment I have installed my my camper. Our trailer used to rock and sway whenever someone walked around. My 10 year old son would roll over in the back of the camper when sleeping, and we would feel it in the front of the camper. Since installing the JT Strongarm system on our camper, 95% of the movement is gone! The package was shipped in original box, complete with all hardware and instructions. The only problem I had with the install, was with the self tapping bolts. I tried for an hour to get the bolts to start and was unable to. I went to hardware store, bought a T Handle and a Tap, and the installation was then a breeze. I looked at these a few years ago, and didn't want to spend the money, thinking it was too much money. What a mistake that was! These are well worth the money and would recommend to anyone with a camper. It takes an extra 2 minutes when setting up camp, but a rock solid camper your vacation!
    Customer image
    Kpcsober
    5.0 out of 5 stars
    A Must Have

    Reviewed in the United States on June 4, 2015
    I have a 314bds Eagle Superlite Travel.Trailer, and this was the best investment I have installed my my camper. Our trailer used to rock and sway whenever someone walked around. My 10 year old son would roll over in the back of the camper when sleeping, and we would feel it in the front of the camper. Since installing the JT Strongarm system on our camper, 95% of the movement is gone! The package was shipped in original box, complete with all hardware and instructions. The only problem I had with the install, was with the self tapping bolts. I tried for an hour to get the bolts to start and was unable to. I went to hardware store, bought a T Handle and a Tap, and the installation was then a breeze. I looked at these a few years ago, and didn't want to spend the money, thinking it was too much money. What a mistake that was! These are well worth the money and would recommend to anyone with a camper. It takes an extra 2 minutes when setting up camp, but a rock solid camper your vacation!
    Images in this review
    Customer imageCustomer image
    Report
  • tsviper
    4.0 out of 5 stars Product works well, however maybe missing parts
    Reviewed in the United States on May 30, 2025
    Verified Purchase
    Product works very well, however was missing the T bolts. Ordered a second set and it too was missing the bolts. Contacted Lippert and they sent me out the missing parts but it seems that I’m not the only one who received it with missing bolts.
    Report
  • SDW77
    5.0 out of 5 stars Does What It's Supposed to
    Reviewed in the United States on January 13, 2025
    Verified Purchase
    My order came double-boxed and the kit inside the inner box was cushioned with styrofoam, so it is packaged well. The kit from 鶹 does not come with any instructions whatsoever, but I'm still giving the product 5 stars, because that has nothing to do with Lippert or JT's Strong Arms and everything to do with 鶹.

    You can find the instructions fairly easily online. Just search for JT's Strong Arms installation instructions and they'll pop up. You can also watch YouTube videos. There are a number of them out there.

    Installation requires you to be somewhat handy. You will need to tap new threads in your trailer frame, because the self-tapping bolts that are included with the kit will NOT self-tap into the steel frame. Make sure you have some good quality, sharp drill bits to drill your pilot holes. Mine were not very sharp and took me a while to finally break through. That's on me though. I'd say getting the pilot holes drilled and the threads tapped was by far the hardest part of the whole install. Getting all the hardware bolted together to get the supports ready to install is also pretty time consuming. The whole job should probably take you about two to three hours if you have all the tools ready.

    The product does exactly what it says it will do. It removes almost all motion inside the trailer from people moving around. It does not take all the motion out, but I'd say it does away with about 90% of it and that's good enough for me. If you go into with that expectation, you won't be disappointed.
    Report