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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 we are 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.  

The Jeep JT Stage 1 Suspension System is a coil spring 1 & 2-inch lift designed around 37-inch tires for Rubicon models and 35-inch 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 in its price category with room to upgrade as needed. 

Fitments:

Fits: 2020+ Jeep Gladiator JT
Lift Height:  1 & 2 inches (Over Stock Rubicon)
Wheel Travel: Stock
Tire Size: Up to 37-inch Rubicon, 35-inch non-Rubicon

Benefits:

  • Coil spring suspension system to easily fit larger tires
  • Improved off road and on road performance
  • Includes all components necessary to get you on the trail
  • Complete Bolt-on System for easy install
  • Compatible with OEM wheels
  • No maintenance required for all included components
  • Lifetime Warranty on all hard parts
  • Fully upgradeable to higher level systems

Features:

  • Multi-rate, progressively wound coil springs increase lift height to 1 & 2 inches over stock. Front and rear coil springs are all new and have been designed specifically for the JT platform. Like OEM, the coil springs are unique lengths for each corner of the vehicle to compensate for weight distribution and prevent leaning. Longest in class free length prevents coil springs from coming unseated at full articulation and coil spring block height has been designed around optimal bump stop spacing for the lift height and tire size. Industry first “closed and ground” front coil springs ensure perfect fitment with the included front lower coil spring isolators. Our coil springs are guaranteed to resist bowing and have a lifetime guarantee against sagging/breakage.
  • Front and rear adjustable track bars center the axles on the Jeep, maintains factory geometry and improves lateral stiffness compared to OE track bars.
  • Front lower control arms are adjustable to allow for caster correction and re-centering of the front axle. The arms are made of 1.75″ X .188″ Wall 1026 DOM and feature maintenance free dual durometer bushings are used at both ends for uncompromised articulation.
  • Front and rear bump stop spacer kits are included to provide the necessary clearance required for larger tires. front bump stop spacing is adjustable from 2-4 inches in 1-inch increments without having to remove any hardware.(2 Inch Kit)
  • Front and rear sway bar link relocation brackets maintain factory sway bar geometry to allow full articulation of the rear suspension and maintain compatibility with stock wheels.
  • Suspension components feature a two-stage, abrasion-resistant powder coat finish for maximum durability and corrosion resistance.
  • 100% bolt on components assure an easy, trouble free installation with the use of basic hand tools.

Includes:

8851-1000 – Jeep Gladiator JT
Stage 1, 1 Inch System 
8851-2000 –  Jeep Gladiator JT
Stage 1, 2 Inch System
(1) 8863-10 1 ” Front Coil Springs, Pair
(1) 8865-10 1 ” Rear Coil Springs, Pair
(1) 8875-01 Front Adjustable Track Bar
(1) 8855-02 Front Sway Bar Relocation Brackets
(1) 8851-01 Front Adjustable Lower Control Arms
(1) 8881-01 Rear Adjustable Track Bar
(1) 8808-01 Rear Sway Bar Drop Brackets
(1) 8863-202″ Front Coil Springs, Pair
(1) 8865-202″ Rear Coil Springs, Pair
(1) 8057-10 Snap-Lock Bump Stop Spacers
(1) 8858-20  Rear Bump Stop Extension, 2.0 Tall
(1) 8875-01 Front Adjustable Track Bar
(1) 8855-02 Front Sway Bar Relocation Brackets
(1) 8851-01 Front Adjustable Lower Control Arms
(1) 8881-01 Rear Adjustable Track Bar
(1) 8808-01 Rear Sway Bar Drop Brackets

pdf-icon.gifInstallation Instructions

Notes:

  • If using Stock Shocks, this kit MUST be used with 8817 JT Shock Relocation Brackets.
  • If installing on a DIESEL Jeep Gladiator, 8861-11 Synergy Jeep Gladiator Rear Sway Bar Links MUST be used Instead of 8808-01 rear Sway Bar Drop Brackets. 
  • Synergy MFG coil springs lift the vehicle the advertised height over stock based on a fully loaded JT Rubicon. Other JT 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, we recommend a 1 or 2 Inch taller spring in the front versus the rear. Adding a small coil spacer to the front (up to 3/4 inch without affecting up travel or causing coil bind, 8017-075) will help as well.
  • 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. We recommend using protective coatings for all items that will see extended outdoor and off road use. We have 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.
  • We always recommend manually disconnecting your sway bar links in any offroad application on both Rubicon and non-Rubicon models
    • Factory sway bar disconnects do not allow for enough articulation to prevent damage to your track bar mount or electronic disconnect

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.

Recommended tire size and wheel backspacing:

Gladiator Model Fenders Wheel Backspacing Recommended Tire Size for 1″ Springs Recommended Tire Size for 2″ Springs
Rubicon/Mojave Unmodified Stock Stock Wheels 35 Inch 36 Inch
Rubicon/Mojave Unmodified Stock 4.5 Inch or less 35 Inch 35 Inch
Rubicon/Mojave Trimmed stock or High Clearance Stock Wheels 35 Inch 37 Inch
Rubicon/Mojave Trimmed stock or High Clearance 4.5 Inch or less 35 Inch 37 Inch
Sport Max Tow Unmodified Stock Stock Wheels 33 Inch 35 Inch
Sport Max Tow Unmodified Stock 4.5 Inch or less 33 Inch 35 Inch
Sport Max Tow Trimmed stock or High Clearance Stock Wheels 35 Inch 37 Inch
Sport Max Tow Trimmed stock or High Clearance 4.5 Inch or less 35 Inch 37 Inch
Non-Rubicon Unmodified Stock Stock Wheels 33 Inch 35 Inch
Non-Rubicon Unmodified Stock 4.5 Inch or less 33 Inch 35 Inch
Non-Rubicon Trimmed stock or High Clearance Stock Wheels 35 Inch 35 Inch
Non-Rubicon Trimmed stock or High Clearance 4.5 Inch or less 35 Inch 37 Inch

These recommendations will result in no or very little rubbing at full articulation and steering. Some stock bumper configurations may require more trimming than others. Less than our recommended bump stop spacing can be run (up to 2 inches of bump stop spacing), but fenders and inner fenders will need to be trimmed for additional clearance.

Backspacing recommendations are based on wheel offset and wheel spacer combinations. With stock wheels, adding wheel spacers is equivalent to running 4.5 inches or less of backspacing.

Lift Height:

Gladiator Model Lift Height Over Stock
Rubicon 2 Inches
Mojave 2 Inches
Sport TBD

Shock Fitment:

Shock Type Front 0-1″ Lift Rear 0-1″ Lift Front 2″ Lift Rear 2″ Lift
Fox 2.0 IFP 985-24-171 985-24-219 985-24-179 985-24-219
Fox 2.0 RR 885-24-183 None 885-24-248 None
Fox 2.5 DSC 883-26-049 883-26-073 883-26-051 883-26-074
Fox 3.0 IBP None None 883-26-080 883-26-081
King 2.5″ KRS- 25001-373(A) KRS-25001-379(A) KRS-25001-375A KRS-25001-379A
          
Min shock length: 16.5″ 17.5″ 18″ 19″
Max shock length: 26.6″ 27″ 29″ 28.5″

Notes: 
Recommended aftermarket shock fitment if not running Synergy Tuned Shocks.
1. Rear shock mounts in the highest position (brackets closest to the body of the Jeep).
2. Potential for fuel tank skid plate/rear drive shaft interference in certain JLUs. It is possible to shift the tank over to eliminate this or install an adjustable rear track bar.
3. May not be compatible with stock wheel backspacing.


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Synergy Rear Sway Bar Links 0-2″ Lift for 2018+ Jeep Wrangler JL/JLU, 2020+ Gladiator JT

Features:

  • Synergy Rear Sway Bar Links
  • Spherical bushing at axle side minimizes bind
  • High quality rod end reduces bushing deflection causing the sway bar to operate more efficiently
  • Easy installation using stock mounting hardware
  • Sway Bar Links are made from 11/16″ solid 1018 steel and are clear zinc plated for maximum corrosion resistance
  • 100% bolt on components assures an easy, trouble free installation with the use of basic hand tools

Includes:

  • (2) Rear Sway Bar Links
  • (1) Rear Sway Bar Hardware Kit

Min/Max Lengths:
Measured in a straight line from center of bolt hole to center of TRE stud

  • 12.75″ collapsed
  • 13.25″ extended

Requirements:

  • Requires a maximum 4-3/4″ backspace wheel or wheel spacer with factory wheel setup. 4-1/2″ back spacing is recommended

Notes:

  • JL / JLU 3 inch lift height and taller
  • JT 2 inch lift height and taller 

Installation Instructions

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Synergy Jeep Gladiator JT Stainless Braided Brake Line Kits are a must when equipping a vehicle with a lift and longer travel off road suspension. Longer lines ensure adequate slack during extreme articulation. Stainless lines offer a stiffer pedal feel for increased control and flexibilty to prevent breakage. Synergy’s stainless lines maintain OEM routing and brackets for proper clearances, and are DOT approved. These lines are included in our Stage 3 kits, and are recommended for all JL, JLU and JT’s up to a 4″ lift looking for maximum performance and minimal restriction to full wheel travel potential.

Fitment:

Part # Fitment Location Length
8866-03
2020+ JT Gladiator 
2018+ JL, JLU Wrangler
Front Lines Only 40.25″
8866-05 2020+ Jeep JT Gladiator Rear Lines Only 25.25″
8866-02 2020+ JT Gladiator Front and Rear Complete Kit

Benefits:

  • Extends your brake lines from factory length to accomodate up to 4″ of lift
  • Flexible, DOT approved stainless steel brake lines resist corrosion and allow for full articulation without fear of breaking a hard line

Features: 

  • DOT Approved, High Quality Stainless braided lines
  • Includes mounting brackets and crush washers
  • M10x1.0 frame side and 10mm Banjo on caliper side
  • Sold as a pair

Includes:

(1) Driver Side Stainless Steel Braided Brake Line
(1) Passenger Side Stainless Steel Braided Brake Line

Notes

  • 8806-01 is a group part number that pulls quantity (1) 8866-03 and (1) 8866-05
  • Compatability unknown with 2024 and 2025 model years
  • We recommend all brake line installation be done by a professional mechanic / installer

pdf-icon.gifInstallation Instructions

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When lifting the vehicle, either through tire size or suspension lift, the axle travel needs to be limited to prevent the possibility of tire interference. These rear bump stop spacers provide a solution to this interference problem by limiting the axle travel toward the frame.

Fitments:

  • Jeep Wrangler JK / JKU
  • Jeep Wrangler JL / JLU
  • Jeep Gladiator JT  
Part # Description
8858-20 2.0″ Jeep JK / JL / JT Rear Bump Stop Spacer Kit
8858-30 3.0″ Jeep JK / JL / JT Rear Bump Stop Spacer Kit
8858-40 4.0″ Jeep JK / JL / JT Rear Bump Stop Spacer Kit

Features:

  • Bump stops bolt onto the axle bump pad and provides 2″, 3″ or 4″ of bump stop spacing.
  • Manufactured from CNC laser cut 1/4” high carbon steel for superior durability and strength. 
  • Abrasion-resistant powder coat finish for maximum durability and corrosion resistance.
  • 100% bolt on components assure an easy, trouble free installation with the use of basic hand tools for JK and JL models.
  • Designed for perpendicular engagement when the rear axle pinion angle is adjusted for proper drive line angle.

Includes:

  • (2) Lower Rear Bump Stops
  • (1) Bump Stop Mounting Hardware Kit
  • (1) Drill Template for JT Axle Pads

Notes:

  • Direct bolt on application for JK / JL. Requires drilling 2 holes for JT model.

Installation Instructions
JT REAR BUMPSTOP DRILL TEMPLATE

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