Rock Jock
Front Coil Springs JT Gladiator Diesel engine 3.5 Inch Lift Pair RockJock 4X4
SKU: R01U RJ-154102-101
Description
Part #: RJ-154102-101
This pair of RockJock front coil springs will provide 3 1/2 inches of lift in JT Gladiator applications that feature the diesel engine. These springs directly replace factory springs and are designed to work with RockJock Johnny Joint suspension systems or other manufacturer's lift kits and provide improved ride quality and height control.Finish is gloss black powder coat. Extensive research was done by RockJock to develop the perfect spring rate and quality of the coil springs. The results: they provide the best in comfortable ride and excellent performance off-road.Kit Fits:2020-up JT Gladiator - All Diesel EnginesKit Includes:Front Coil Spring SetSpring Free Length:19.500 in.Notes:For use in in the front of all models of JT Gladiator with a diesel engine.We recommend our RJ-107102-101 Adjustable Front Bump Stop Kit for use in conjunction with these springs.Actual lift amount will vary due to factory produced vehicle variances as well as weight of added on aftermarket equipment.You can expect around a 3.5 in. lift in standard models. Rubicon and Mojave models will gain less actual lift because they are already lifted higher than the standard model vehicles from the factory.Springs are finished in gloss black powder coat.
Coil Spring Set | 3.5 in. Lift | Pair
Fitment
Fitment Guaranteed
Don’t gamble
on fit.
Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.
Available on iOS & Android
Specifications
| Brand | Rock Jock |
| Part Number | R01U RJ-154102-101 |
Videos
RockJock Antirock Sway Bars Front & Rear Install | Jeep Gladiator JT
Dirt Daily. Jeep JL Rear Suspension or RockJocks for NewbSocks.
The Ultimate Jeep Wrangler Lift Kit Comparison – On & Off-Road Test
JKS 3” J-Venture Lift Kit for Jeep Gladiator JT
HOW TO Install Control Arm Drop Brackets on a Jeep Wrangler or Gladiator
Jeep Gladiator JT Rough Country 3.50-Inch Suspension Lift Kit Review & Install
JT: 3.5" Coil Spring Base Lift Kit Install | TeraFlex
Jeep Gladiator Rubicon 3-inch JKS Suspension Lift Install & Review | Inside Line
Which Lift Kit Should You Install on Your Jeep Gladiator?
Buy with Confidence
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
View Full Return Policy