Products Showing Parts for — {{ }}

No Results Showing Parts for — {{ }}
USD 300
Part #: SYN8863-40

Synergy 8863-40 4"-5" Front Lift Coil Springs

Vehicle Fitment:
2018-2023 Jeep Wrangler JL | 2020-2023 Jeep Gladiator JT | See full application list below
Part #: SYN8863-40
Buy now, pay later using Affirm Logo during checkout.
Temporarily Out of stock - More on the way!

Estimated ship date: Unavailable

FREE Delivery by ,
If you order within hr min
This product cannot be shipped to your destination
Not Shipping to ?
Need it faster?
Our Recommendations Compatible Products
Scroll to View More


Replace the coil springs on your 2018-2023 Jeep Wrangler JL or 2020-2023 Jeep Gladiator JT with the Synergy 8863-40 4"-5" Front Lift Coil Springs from XDP. 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, Synergy 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. Springs are designed to be used with up to .75 inch of front spring spacer without requiring additional bump stop spacing. The multi-rate design has a softer 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.

  • 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
  • Ground And Closed Lower Spring Ends To Prevent Bowing
  • Includes Front Lower Coil Spring Isolators To Match The Ground And Closed Spring Ends
  • 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

Note: 4-Door Lift Height: 4"
2-Door Lift Height: 5"
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.

Vehicle Fitment

2020 Jeep Wrangler 3.0L EcoDiesel
2021 Jeep Wrangler 3.0L EcoDiesel
2022 Jeep Wrangler 3.0L EcoDiesel
2023 Jeep Wrangler 3.0L EcoDiesel
2021 Jeep Gladiator 3.0L EcoDiesel
2022 Jeep Gladiator 3.0L EcoDiesel
2023 Jeep Gladiator 3.0L EcoDiesel
2018 Jeep Gas
2019 Jeep Gas
2020 Jeep Gas
2021 Jeep Gas
2022 Jeep Gas
2023 Jeep Gas


  • MPN 8863-40
  • SKU SYN8863-40
  • GTIN 887753146199
  • ID 130409
  • Manufacturer Name Synergy
  • Shipping Weight 27.00 lb.
  • Shipping Length 23 in.
  • Shipping Width 11 in.
  • Shipping Height 7 in.
  • Fuel Type Diesel / Gas
  • E-Code 1
  • Prop 65 Prop 65 WarningWARNING: Cancer & Reproductive Harm -
  • Internal LR


No Reviews Yet!

Write a Review

Include Your Order Number For a Chance to Win a $100 Gift card

Overall Rating

Your Information

Email Address will not be made public.

Questions and Answers

No questions about this product. Be the first to ask a question!

Ask a question about this product

Please allow up to 1 business day for reply.

More to Consider

Recently Viewed


Complete the job with these highly suggested add-on products.

Product prices marked with an * may require additonal fees, such as a core charge, which will be displayed in the cart.