Suspension and Components Springs and Components

Rock Jock

Coil Spring Set JT Gladiator Diesel engine 3.5 Inch Lift Front/Rear Set of 4 RockJock 4X4

$772.00

SKU: R01U RJ-154002-101

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INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

Part #: RJ-154002-101

This set of 4 RockJock coil springs will provide 3 1/2 inches of lift in Jeep JT Gladiators that feature the diesel engine. These springs directly replaces the factory coil springs and are designed to work with RockJock Johnny Joint suspension systems or other manufacturer's 3 to 5-inch lift kits.This spring set, besides lifting the vehicle 3.5 inch, also levels the vehicle and provides an improved ride. Extensive research was done by RockJock to develop the perfect combination of rates and quality of the coil springs.The results: they provide the best in comfortable ride and excellent performance off-road. Finish is gloss black powder coat. Springs are intended for gas, V-6 engine vehicles.Kit Fits:Jeep JT Gladiator - All Diesel EnginesKit Includes:Front Coil Spring Set (RJ-154102-101)Rear Coil Spring Set (RJ-154401-101)Spring Free Lengths:Front - 19.500 in.Rear - 22.000 in.Notes:For use in all models of Jeep JT Gladiator.We recommend our RJ-107102-101 and RJ-151401-101 Front and Rear Bump Stop Kits for use in conjunction with these springs.Intended for use in diesel engine powered vehicles only.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 | Front/Rear | Set of 4

MIA's Description

Revitalize your vehicle's off-road capabilities with RockJock's 3.50-Inch Front and Rear Lift Coil Springs. Engineered for rugged terrains and demanding trails, these coil springs provide a significant lift to your vehicle, improving ground clearance and allowing for larger tire installations. Whether navigating rocky landscapes or conquering muddy trails, these coil springs ensure a smoother ride and enhanced performance, giving the confidence to tackle any off-road adventure with ease. Crafted from high-quality materials, they are built to withstand the toughest conditions, resisting corrosion, compression, and fatigue. Designed to maintain optimal spring rates even under heavy loads, these coil springs provide consistent support and stability, guaranteeing reliable performance for years to come.

Fitment

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Specifications

BrandRock Jock
Part NumberR01U RJ-154002-101

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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.

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