Made in USA
78600U Control Arm Upgrade Kit; 4 in.; Front/Rear/Upper/Lower; Adjustable Flex Joints w/Cleveite Rubber Bushings; Durable Heavy
InfoVehicle Info Needed
ROUGH COUNTRYPART NUMBER: 834-78600U

78600U Control Arm Upgrade Kit; 4 in.; Front/Rear/Upper/Lower; Adjustable Flex Joints w/Cleveite Rubber Bushings; Durable Heavy

$1,74995
Truck Freight
ShippingShips on 09/18/2026
Lowest PriceLowest Price Guarantee

Jeep
Control Arm Upgrade Kit
  • 4 in.
  • Front/Rear/Upper/Lower
  • Adjustable Flex Joints w/Cleveite Rubber Bushings
  • Durable Heavy Wall DOM Tubing
  • 1/4in Thick Tensile Strength Plate Steel

    Rough Country 78600U Features:

    Transform your 4in kit into a full-fledge long arm setup with Rough Countrys 4in Long Arm Upgrade Kit. This incredible upgrade converts your Rough Country 4in standard or 4in X-series kit into an extremely capable 4-link Long Arm suspension design.This upgrade gives your Jeep incredible flex and unbelievable clearance at a fraction of the cost of buying an entirely new kit. The 4-link setup includes a full set of front and rear upper and lower adjustable control arms giving you full control to adjust the wheelbase and pinion angle. Each arm features Rough Countrys adjustable flex joints with Clevite rubber bushings and is constructed out of durable heavy-wall DOM tubing for a long lifespan of flex and performance. All brackets are made of a thick 1/4in thick high tensile strength plate steel.Rough Countrys 4in kit boasts an easier install process than most long arm kits, with no welding and no removal of the factory crossmember required for installation. The kit also includes extended stainless steel brake lines and coil correction plates making it that much faster and easier to install. Includes a Lifetime Replacement Guarantee!

    • 10-Stage Variable Valving
    • High Pressure Nitrogen Charged
    • True 4-Link Setup With New Longer Travel Arms
    • Prevents Binding And Rear-Steer
    • Coil Correction Plates Correct The Rear Coil Spring Angle
    • Clevite Brand OEM Style Rubber Bushings
    • Flex Joints Are Fully Rebuildable
    • Flex Joints Feature A 2.5 in. Dia. Body And 1.25 in. Thread
    • Fully Greasable
  • Part TypeControl Arm Kit
    BrandROUGH COUNTRY
    Package Width188.0
    Weight188.0 PG
    Part CategoryPerformance Parts
    Part FitmentDirect Fit
    Vendor Part Number78600U
    Package Qty1
    Package TypeEA
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    Some parts are not legal for use in California or other states with similar laws / regulations
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