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Rough Country


X-Flex Long Arm Upgrade Kit for 4-6-inch Lifts

Gain the absolute best in off-road articulation and a host of impressive features with this all-inclusive package. There are no obstacles you can't tackle with our front and rear Y-link Suspension setup featuring HUGE adjustable 2-inch lower control arms and X-Flex Joints. This Dual Y-link Suspension setup with longer travel arms doesn't just prevent binding and rear-steer, it gives you unparalelled axle flex while keeping pinion angles optimized - letting you negotiate trails on your terms.

The JK Long Arm Kit is built to withstand the harshes of off-road mayhem. A beefy crossmember with frame strengthening brackets gives your JK new, stronger mounting points while a 1/4-inch thick steel skid plate keeps everything protected from off-road hazards. This kit also includes front sway-bar disconnects and stainless steel brake lines.

Rough Country's X-Flex Long Arm Upgrade Kit for 4-6-inch Lifts - 78100U

Dual Y-link suspension setup with longer travel arms; Unparalelled axle flex; Exhaust loop provides crucial clearance; Heavy duty 1/4-inch thick skid plate protects transmission and transfer case; Lower X-Flex control arms:; Massive flex joints with 2.5-inch diameter body and huge 1.25-inch threads; OEM style Clevite rubber bushings; All joints are fully rebuildable and greasable; Lower joints pivot up to 35 degrees; Made of 2-inch diameter heavy duty tubing

Fits 12-16 models only

Manufacturer: Rough Country Suspension Systems; Part Number: 78100U; Weight (Lbs): 218.78; Install Time (Hours): 8-10

Muffler skid plate and hardware

Front: Sway bar disconnects, stainless steel brake lines, exhaust loop, HD lower skid plate, X-Flex lower control arms and upper radius arms, crossmember with frame strengthening brackets & hardware; Rear: Stainless steel brake lines, X-Flex lower control arms and upper radius arms, and hardware

Jeep: 07-18 Wrangler JK 4WD, 07-18 Wrangler Unlimited JK 4WD/2WD

Jeep: 12-18 Wrangler JK 4WD, 12-18 Wrangler Unlimited JK 4WD