SKU: 19914795701

Synergy 8840-1000 1" Starter Lift Kit Suspension System

Sale price$353.25 Regular price$392.50
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Description

Synergy 8840-1000 1" Starter Lift Kit Suspension SystemUpgrade your 2018 2023 Jeep Wrangler JL (4 Door) with a Synergy 8840 1000 1" Starter Lift Kit Suspension System from GAP. Synergy MFG Suspension Systems use a synergistic approach, meaning the combined effect of the components is greater than the sum of the individual parts. The overall performance of the system is the most important factor when designing components to work together. Synergy MFG Suspension Systems are complete systems for your vehicle

Upgrade your 2018-2023 Jeep Wrangler JL (4 Door) with a Synergy 8840-1000 1" Starter Lift Kit Suspension System from GAP. Synergy MFG Suspension Systems use a synergistic approach, meaning the combined effect of the components is greater than the sum of the individual parts. The overall performance of the system is the most important factor when designing components to work together. Synergy MFG Suspension Systems are complete systems for your vehicle and include all necessary components for the lift height and performance advertised. All of these systems have shock solutions available, whether it be shock relocation brackets to continue using the stock shocks in our Starter System or one of our Synergy MFG tuned shock packages aimed at affordability or performance. Coil springs and shocks are two of the largest determining factors in ride quality and a mismatched system will never perform to its potential. All Synergy MFG tuned shocks are matched to the coil springs and application to provide the best ride and performance possible.

The Jeep JL / JLU Starter System is a coil spring 2" lift designed around 37" tires for Rubicon models and 35" tires for Non-Rubicon models (See fender and bump stop spacing recommendations below). This system is designed to be the most capable performance coil spring lift on a budget, with room to upgrade as funds allow. For more complete 2-inch lift systems, see the Stage 1 or Stage 2 systems.


Features:
  • Multi-Rate, Progressively Wound Coil Springs Increase Lift Height To 2” Over Stock  
  • Longest In Class Free Length Prevents Coil Springs From Coming Unseated At Full Articulation
  • Front And Rear Coil Springs Are All New And Have Been Designed Specifically For The JL Platform 
  • Bump Stop Spacing Is Adjustable From 2-4” In 1” Increments Without Having To Remove Any Hardware
  • 100% Bolt On Components Assure An Easy, Trouble Free Installation With The Use Of Basic Hand Tools
  • Coil Springs Are Guaranteed To Resist Bowing And Have A Lifetime Guarantee Against Sagging/Breakage
  • Coil Spring Block Height Has Been Designed Around Optimal Bump Stop Spacing For The Lift Height And Tire Size 
  • Coil Springs Are Unique Lengths For Each Corner Of The Vehicle To Compensate For Weight Distribution And Prevent Leaning
  • Front And Rear Adjustable Bump Stop Spacer Kits Are Included To Provide The Necessary Clearance Required For Larger Tires
  • Suspension Components Feature An Abrasion-Resistant Powder Coat Finish For Maximum Durability And Corrosion Resistance
  • Industry First Closed And Ground Lower Ends Of The Front Coil Springs Ensure Perfect Fitment With The Included Front Lower Coil Spring Isolators  
  • Front Sway Bar Link Relocation Brackets Paired With The Stock Rear Sway Bar Links Relocated To The Front Allows Full Articulation Out Of The Front Suspension
  • Front And Rear Lower Shock Relocation Brackets Allow The Stock Shocks To Be Reused Making This A True Budget System  As Funds Allow, Shocks Can Be Upgraded At A Later Date To Increase Performance
  • Stock Rear Sway Bar Links Are Relocated To The Front And New Rear Sway Bar Links And Drop Brackets Are Added To The Rear To Allow Full Articulation Of The Rear Suspension And Maintain Compatibility With Stock Wheels

Benefits:
  • Reuses Stock Shocks
  • Compatible With OEM Wheels
  • Lifetime Warranty On All Hard Parts
  • Complete Bolt-On System For Easy Install
  • Fully Upgradeable To Higher Level Systems
  • Improved Off Road And On Road Performance
  • No Maintenance Required For All Included Components
  • Includes All Components Necessary To Get You On The Trail
  • Budget Coil Spring Suspension System To Easily Fit Larger Tires
  • Will Fit Up To A 35” Tire On The Non-Rubicon, And 37” Tire On The Rubicon

8840-1000 - 1" Starter Lift Kit Suspension System Includes:
(1) 8863-10 Front Coil Springs (JL / JLU / JT), Pair
(1) 8864-10 Rear Coil Springs (JL / JLU), Pair
(1) 8886-02 Rear Sway Bar Drop Brackets
(1) 8855-02 Front Sway Bar Link Relocation Brackets

Wheel and Tire Fitment:
Recommended tire size is limited by fender clearance. With higher clearance fenders or trimmed fenders, larger tires may be fitted. Bump stop spacing should be matched to the collapsed length of the shocks. Mismatched bump stop spacing and shocks will limit the available travel from the system.

Notes:
In Order to use factory shocks you need to add Part Number 8819 to the Kit
If using longer travel aftermarket Shocks you have to do one of the following options:-
1) Move OEM rear sway bar links to the front and add 8860-11 to the rear
2) Keep OEM rear sway bar links and add sway bar disconnects to the front

Synergy MFG coil springs lift the vehicle the advertised height over stock based on a fully loaded JL Rubicon. Other JL models will see more lift over stock. These coil springs do not lift taller than advertised. The stock rake based off the Rubicon model is kept to retain its load carrying capacity. If you prefer the vehicle to sit level when unloaded, Synergy recommends adding a small coil spacer to the front (up to 3/4-inch without affecting up travel or causing coil bind, 8017-075).

For off road use, the front sway bar can be disconnected on Rubicon vehicles via the built in electronic disconnect system. On non-Rubicon vehicles, Synergy recommends the addition of our front sway bar disconnect kit, 8859-01.

Synergy MFG's Starter System is designed to be used with stock length shocks. If upgrading to longer shocks, the suspension will also need to be upgraded to at least Stage 1.

Synergy MFG is not responsible for maintaining finish of products. Environmental factors will affect rate of corrosion and wear for items advertised to be corrosion resistant. Synergy recommends using protective coatings for all items that will see extended outdoor and off road use. Synergy has had great experience with the Fluid Film product and recommend it and similar products for any items susceptible to damage from corrosion. It is great for keeping double adjuster assemblies working like new and protecting shock bodies from the elements.
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. 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
SKU: 19914795701

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4.5 ★★★★★
Based on 12 reviews
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Product Reviews
A
Verified Purchase
Andy Bui
New York, US
★★★★★ 4
Great Outdoor Pickleballs for Practice and Games
Size: 6 Pack, Color: Multi
These pickleballs have been great overall for outdoor play. The colors are bright and easy to see on the court, which is especially helpful during evening games or when playing on darker surfaces. They have a consistent bounce and feel durable compared to some cheaper pickleballs I’ve tried before. I also like that they fly pretty true and don’t wobble too much during rallies. They work well for both casual games and more competitive practice sessions. The balls feel solid off the paddle and provide a good balance of speed and control. The only reason I’m giving 4 stars instead of 5 is because a couple of the balls started showing small cracks after extended outdoor use on rough courts. They still lasted longer than many other brands, but I expected slightly better durability considering the price. They can also feel a bit harder than some softer outdoor balls, especially in colder weather. Overall though, these are reliable pickleballs and definitely a good choice for outdoor play. I’d buy them again for practice and recreational matches.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 6, 2026
C
Verified Purchase
CE
Alexandria, US
★★★★★ 5
Good quality
Size: 3 Pack, Color: Optic Yellow
These are really good quality. The color is easy to see on the outdoor court, especially when the sun is bright. Definitely has good bounce to them.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 28, 2026
T
Verified Purchase
Trevor & Tiffany G
Houston, US
★★★★★ 5
Franklin X-40 vs. Dura Fast 40 (vs. Onix)
Size: 12 Pack, Color: Optic Yellow, Size: 12 Pack, Color: Optic Yellow
Review order: Review summary (quick read) Review update (4-13-2021) Full review (long read) Summary: This review might save you a lot of time researching balls, but here's the summary if you don't want to read the full review... For 4.0+ play consider the Dura Fast 40 when preparing for certain tournaments, but expect only about 2 games per ball, which is quite annoying in my opinion... for 95% of players, definitely go with the Franklin X-40 (except when preparing for a Dura only tournament of course). If you just want the ball to last and last year after year and don't care at all about egging or quality of play consider the much softer and much slower and much bouncier Onix ball. The Onix ball is so soft that I can't recommend it for typical play, but it is actually an excellent choice when introducing new players to the game and it is often the preferred ball in 65+ play if mobility becomes a common issue because extra bounce = extra time to get there, but in my area many older players seem to play the X-40 just fine. * * * * * * * * * * * * * * * * * * * * * * * * Update: 4-13-2021: Popularity: Almost everyone in my area is playing the Franklin X-40 in every park. I finally saw a Dura in play yesterday, but it's been a long time! Outdoor tournaments in my state are now about 60% X-40 and about 40% Dura (Washington), so even in tournament play the Dura seems to be going out pretty quick. Seasonal durability of X-40: for the first year I don't think my group cracked a single X-40 (despite having a faster paced game), but using that same batch of balls this Spring, they've all been dropping like flies so now my 1 year old batch of X-40's probably isn't much more durable than brand new Dura's (very annoying to deal with those cracks). I just bought new X-40's yesterday and I'll be discarding the few X-40's that are left from last year when the new stock arrives. It will be new X-40's for me once a year from now on assuming quality doesn't slide... fresh manufacturing is apparently very important, so hopefully Franklin will keep their runs moderate, and maybe that's what Dura did wrong.(?) * * * * * * * * * * * * * * * * * * * * * * * * Full review: This review will focus largely on the physical & quality comparisons between the Franklin Outdoor X-40 pickleball and the Dura Fast 40 pickleball, but I'll also give a summary of my impressions from the mouth of experts and supplement also by my own amateur impressions and measurements. Dura hole specs: 16 drilled holes @ 0.325" & 24 drilled holes @ .264" Franklin hole specs: 40 drilled holes @ 0.288" Both balls have 40 holes with an average hole size of 0.288", but the Dura ball has a far more randomized hole pattern. I personally didn't notice any difference in spin characteristics or any notable advantage to the randomized hole pattern of the Dura. Franklin weight: 26g Dura weight: 25g Both balls are rotationally molded in one continuous piece so the seam is just as strong as the rest of the ball on either ball... the appearance of a seam is on the outside of the ball only but the visual molding mark is not actually separated in any way in the middle of the ball and the inside of the ball will likewise appear 100% seamless on either ball, so no true seam exists (both balls are true "1-piece" balls). The Dura ball has much smoother molding marks w/ no plastic flashing like the Franklin... this is primarily cosmetic but quality in this regard definitely goes to the Dura. Subjective color preference: in the shade I think the Dura "Neon" color looks better (see pic), but in typical full sun the green tint looks dingy on the Dura ball in my opinion, and I feel the Franklin "Optic Yellow" is a crisper color that's probably a little more visible. These are the only 2 ball colors I have to compare. I would prefer more dye to be used for a green ball so it still looks green in full sun because in my experience with disc golf and ball golf neon green is the most visible color and neon pink is good too... with these 2 options I'd pick the yellow... the green tint on the Dura is so subtle in full sun it ends up looking more like a dingy yellow rather than a green. A more apples to apples comparison would be Dura's yellow option but I'm pretty confident Franklin would win that contest also based on the notably higher translucency in the plastic used by Dura. Color: Franklin wins. Franklin X-40 country of origin: China Dura Fast 40 country of origin: Vietnam - - EXPERT INSPIRED IMPRESSIONS - - From what I've gathered, expect much longer play per dollar out of the Franklin and expect very little life out of the Dura. Dura's are supposed to be a little harder/better/faster, but they often only last a few games based on everything I've read and heard. For older players consider the Onix over either of these balls... softer balls bounce higher and hit slower which allows more time to get to the ball for longer rallies... the Onix seems to be the favorite for play in older aged groups. Based on expert advise from the "pickleball kitchen" youtube channel... Best performance award (fastest, hardest): Dura Fast 40 Best Value (also w/ great performance): Franklin Outdoor X-40 - - - except high level players should opt for the Dura due to tournament requirements (note: this observation may be outdated... check tournaments in your state to verify what local tournaments are still using the Dura in your area and which tournaments have switched to the X-40) Longest lasting, but soft and bouncy: Onix Note: I have not seen a single outdoor tournament publish the Onix as their ball. My personal recommendation for most players based on a lot of reviews and some research and a close look would be to skip the Dura and go straight to the Franklin X-40 until you're playing tournaments... if/when you advance to the level of playing serious tournament play I don't think it would take long to transition muscle memory and power from the Franklin outdoor ball to the Dura ball and a lot of money and annoyance can be saved w/ the Franklin over the very brittle Dura... Franklin X-40 balls don't last very long either (according to some... possibly old stock), but compared to the Dura it's a notable improvement strongly worth considering even if you're a quality buff like myself. Manufacturing quality: Dura wins Material durability: Franklin easily wins and Onix lasts much longer still if you don't mind a notably slower game (more similar to indoor) and more egging. Quality of play: Mixed... many elite players prefer the extra speed of the Dura, but I prefer the consistency of virtually everyone using the same ball and even more notably, I'd rather sacrifice just a little speed to get the higher consistency / predictability / reliability of an uncracked ball and I find it distracting to look for cracks all the time. Value (w/o sacrificing much): Franklin Despite the long read, I'm hoping this helps the reader save some time in selecting a pickleball, especially for players new to the game.
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Reviewed in the United States on August 15, 2020
L
Verified Purchase
Lux
Belleville, US
★★★★★ 5
Do not judge it by the color .. but by the quality of its build
Size: 12 Pack, Color: Ember
The most durable ball in South Texas heat. The bright color becomes matte after a few games, which I don’t mind. When I pull them out at local tournaments I get mixed reactions—to some not being yellow is like trying a new religion!. Most people do prefer the color that they’re used, I get that, but when I tell them it’s a fresh Franklin x40 most give em a go. Some even (sorry Trad pickleball gods) convert. When I see others bring their own I feel a level of affirmation on par with accidental cult leader getting their first members. So yeah, it’s a great performing ball in a color that pops, and a great value. I love this game
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Reviewed in the United States on May 2, 2026
M
Verified Purchase
Mickey
Draper, US
★★★★★ 5
I’m enjoying the racket
Color: Black
It’s a good racket for a beginner!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 7, 2026

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