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Description
Synergy 8864-30 3"-4" Rear Lift Coil SpringsGrab the Synergy 8864 30 3" 4" Rear Lift Coil Springs from GAP for your 2018 2023 Jeep Wrangler JL. Synergy MFG has designed these springs from a clean sheet for the new Wrangler platform. All springs are multi rate and have been designed to make a great platform even better. These springs are unique to the JL and not shared with the JK or other vehicles. Like OEM, our coil springs are unique lengths to account for load differences on each corner of
Grab the Synergy 8864-30 3"-4" Rear Lift Coil Springs from GAP for your 2018-2023 Jeep Wrangler JL. Synergy MFG has designed these springs from a clean sheet for the new Wrangler platform. All springs are multi-rate and have been designed to make a great platform even better. These springs are unique to the JL and not shared with the JK or other vehicles. Like OEM, our coil springs are unique lengths to account for load differences on each corner of the vehicle. There are right and left specific springs front and rear to guarantee the vehicle will sit level. The multi-rate design has a soft initial rate which prevents the spring from coming loose in the coil tower, even with long travel shocks. The ride rate is slightly stiffer than the OEM springs to account for additional weight from bumpers, winches, skid plates and gear. Springs are proudly manufactured in the United States of the highest quality steel. Springs are designed to be able to set solid (fully collapse) without overstressing the material and are pre-set from the factory meaning the springs will never sag or set.
Features:
- Multi-Rate Coil Springs Allow For Longer Spring Lengths And Increased Travel
- Spring Rates Are Only 5-10 Percent Stiffer Than Stock For Superior Ride Quality
- Coil Spring Block Heights Are Designed Around Common Bump Stop Spacings To Optimize Wheel Travel
- Unique Spring Lengths For Each Corner Of The Vehicle So It Will Sit Level Side To Side
- Frequency Balanced And Tuned Spring Rates To Maximize Suspension Performance On And Off Road
- Abrasion-Resistant Black Powder Coat Finish For Maximum Durability And Corrosion Resistance
- Sold In Pairs
Note: 4-Door Lift Height: 3"
2-Door Lift Height: 4"
Coil springs require proper bump stop spacing with Synergy 8057-10 Bump Stop Spacers.
Lift heights are based off fully loaded Rubicon models. Other models will see more lift.
Coil Springs retain the stock rake of the vehicle.
Up to .75 inch of front coil spring spacer can be added to level the vehicle using 8017-075 front coil spring spacers.
Min bump stop spacing listed is the minimum amount of bump stop spacing required to prevent the springs from going into coil bind. Do not use less bump stop spacing.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.9 ★★★★★
Based on 858 reviews
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Product Reviews
★★★★★ 4
One month later - Pros & Cons
Size: 10 Little Kid, Color: Cobalt Blue, Size: 10 Little Kid, Color: Cobalt Blue
I purchased these shoes for my three year old son who is really hard on his shoes. I wanted shoes that were a good price value and that my son could put on and take off by himself, run around in, and that would stand up to 3 year old kid abuse. These shoes fit the bill, and for the price I would recommend them and I would buy them again, but they'd be even better if they were even more reinforced around the toes.
**This is NOT a paid or subsidized review. If you find this review helpful, please click "yes" - thank you!
PROS:
* Price - these are a well made, good looking shoe for a very fair price.
* Easy for my son to put on and take off, but do not fall off. Velcro is holding up well so far.
* The velcro tab that holds them on is big, so there's plenty of room for error in putting them on, and there's plenty of velcro to ensure a good hold.
* Nice looking - my son likes them which is a big deal when you're three.
* Stand up well to rough and tumble play
* Lightweight
* Good grip on the soles of the shoes.
* Fit is as expected, no discomfort, he wears them all day long without complaint.
CONS:
* As with all kids shoes, the toe area could be even more reinforced although he's worn them every day for a month and, as you can see in the pictures, they're not showing much wear.
* VERY lightweight - so if you're looking for a heavier, more protective shoe for any reason, this is not the pair for you.
Overall I'd highly recommend these shoes, and would purchase them again.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 5, 2016
★★★★★ 5
Easy 2-Velcro closure
Bought the first pair at Kohls, was a favorite easy velcro closure for our 2.5 yr old Grandaughter. Wanted pink and Amazon had these. Perfect fit one half size up. They run a little narrow and smaller but are lightweight and easy for a toddler to put their own shoes on! Her favorite.
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Reviewed in the United States on August 9, 2025
★★★★★ 5
Perfect for my toddler
These shoes have been great for my 2yo! Easy on and off, stylish and affordable.
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Reviewed in the United States on December 16, 2025
★★★★★ 5
run small.
Size: 7.5 Little Kid, Color: Peri
I was a fool and didn't size up, our daughter was only able to sue them for a minute. Should have sized up 2 sizes, I know better. A bit chunky too which I forgot about with these shoes, but fun color and easy to put on.
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Reviewed in the United States on October 4, 2025
★★★★★ 5
Stylish and comfortable
Great for my toddler, very easy for him to walk in. They’re sturdy but lightweight and have good traction so he doesn’t slip. He does have really fat feet so the Velcro is a little tight if you’re between sizes with a fat foot toddler size up
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Reviewed in the United States on August 28, 2025
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