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Home / Suspension & Lift Kits / Lift Kits / Rough Country 78940
Rough CountryPart 78940 · UPC 00840269952715

3.5-Inch Lift Kit with M1 Shocks for Jeep Gladiator (2024–2025)

$939.95MAP price
In stock: 108 available
Shipping weight: 126 lb.
  • Fits 2024–2025 Jeep Gladiator 4WD — check the submodel list in the fitment section
  • Does not fit Mojave models equipped with the factory 2.5 shocks
  • Kit contents: 3.5-inch front and rear dual-rate coil springs, two M1 Monotube shock pairs, forged track bar hardware
  • Bolt-on installation with no cutting or welding — downloadable installation guide available
  • Forged track bar with 1.25-inch diameter and OEM-style rubber bushings for axle centering

The Trail Fortress check

Will it fit your truck?

✓ Fits

2024–2025 Jeep Gladiator · 4WD
High TideJeep BeachNightHawkRubiconRubicon XSportSport STexas TrailWillys

✕ Does not fit

  • Mojave models equipped with FOX 2.5 shocks which use a larger shock bolt incompatible with our replacement shocks

About this kit

3.5-Inch Lift Kit with M1 Shocks, fitment-checked

Rough Country 78940 is a 3.5-inch lift kit for 2024–2025 Jeep Gladiator 4WD, built around dual-rate front and rear coil springs and two pairs of M1 Monotube shocks. It does not fit Mojave models running the factory 2.5 shocks, which use a larger shock bolt than these replacement shocks accept.

This 3.5-inch lift kit for the 2024–2025 Jeep Gladiator 4WD covers Sport, Sport S, Willys, Rubicon, Rubicon X, High Tide, NightHawk, Jeep Beach, and Texas Trail applications listed in the fitment section. The box ships with front and rear dual-rate coil springs plus two M1 Monotube shock pairs, and the springs are rated close to factory to keep ride quality familiar. A forged track bar with 1.25-inch diameter and OEM-style rubber bushings keeps the axle centered. Installation bolts on with no cutting or welding, and a downloadable installation guide is available. Confirm the Mojave shock exclusion before ordering.

What’s in the box

Kit contents

  • 1× 3.5in Coil Spring Kit Box 78800991
  • 1× M1 MONOTUBE SHOCK PAIR 770808P
  • 1× M1 MONOTUBE SHOCK PAIR 770834P
  • 1× 3.5in FR Dual Rate Coil Springs 9420
  • 1× 3.5in RR Dual Rate Coil Springs 9421

Rough Country shares subassemblies across kits, so individual package labels can carry broader application ranges. The complete 78940 kit fits the vehicles shown in the fitment section above.

Specifications

Specs

BrandRough Country
Part number78940
UPC / GTIN00840269952715
Lift height3.5 in
Shock packageM1 series
Shipping weight126 lb
Country of originUS
CategorySuspension & Lift Kits › Lift Kits

Why buy here

The fitment-first store

Manufacturer-listed exclusions shown. We publish what a part does not fit, before you buy, not after the return.
Sourced from the application data. Fitment on this page comes from the manufacturer’s application catalog, not a copied listing.
Real install docs. The actual step-by-step guide, linked right on the page.

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