RockJock · New
RockJock JL Wrangler Diesel Engine 392 JT Gladiator 3.6l Front Coil Springs 3.5in Lift Pair
MPN RJ-154101-101 · Store SKU rokRJ-154101-101
Supplier stock checked 11/7/2026, 6:42:03 AM UTC. Adding a part does not reserve it.
Request a return within 30 calendar days after delivery. New parts must be unopened and unused.
Shipping & returns ↗This policy does not limit rights required by law.Free standard shipping on eligible parts orders of $100 or more. Oversized and freight items excluded. Fitment, taxes, availability and final totals are confirmed before payment.
Product details
This pair of RockJock front coil springs will provide 3 1/2 inches of lift in JL Wrangler Unlimited applications that feature the EcoDiesel, 392 Hemi or 4XE powertrain, as well as JT Gladiators that feature the 3.6L gas engine. These springs directly replace factory springs and are designed to work with RockJock Johnny Joint suspension systems or other manufacturers 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. If you need help choosing the correct springs for your Jeep - just call the RockJock sales staff! Coil Spring Set; 3.5 in.; Front; Pair; Coil Spring Set
Manufacturer fitment & guides
Check RJ-154101-101 against the manufacturer’s application information below.
A manufacturer application guide is not available for this listing. Request the exact application from JuiceBuilt before payment.
Part-specific notes
- California Proposition 65: Y