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Rough Country

Rough Country F-150 4WD Rear Sway Bar Kit - 2-5in Lowering Kit (2015-2026)

SKU:
 733 40002
 | 
MPN:
 40002
$359.95
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Lowering your 4WD F-150 changes the suspension geometry enough that the factory rear sway bar becomes a liability rather than an asset. Rough Country's Rear Sway Bar Kit corrects that by delivering a sway bar engineered specifically for 2-5 inch lowered setups, restoring roll stiffness and predictable cornering behavior that disappears when you drop a stock-geometry bar into a lowered truck.

Reduced body roll in corners. The increased roll stiffness keeps the chassis flatter during lane changes and winding roads, giving the truck a more planted feel without introducing harshness into the daily-driving ride quality. Weight transfers more predictably from side to side, so the rear end stays composed instead of squatting and rolling through turns.

Geometry matched to lowered suspension. A factory sway bar assumes stock ride height; its end-link geometry and bar rate are tuned for that specific suspension position. This kit accounts for the changed angles and link lengths that come with a 2-5 inch drop, so the bar works as intended rather than binding or underperforming at the new ride height.

Bolt-on installation with no fabrication. All necessary hardware ships with the kit, and the install requires no cutting, drilling, or welding. Rough Country estimates a 2-3 hour installation window using standard hand tools, making it a straightforward weekend project.

Limited Lifetime Replacement Warranty. Rough Country backs this kit against manufacturing and structural defects for the life of the product, providing long-term coverage on the investment.

Product Benefits

  • Lowering-Specific Design: Engineered for 2-5 inch lowered 4WD F-150s, not adapted from a stock-height application.
  • Increased Roll Stiffness: Reduces body roll during cornering for a flatter, more controlled driving experience.
  • Improved Weight Transfer: More predictable side-to-side weight transfer enhances stability through turns and lane changes.
  • Correct End-Link Geometry: Matches the changed suspension angles of a lowered truck to prevent binding and restore proper bar function.
  • No Fabrication Required: Direct-fit bolt-on installation with included hardware; no cutting, welding, or drilling needed.
  • Limited Lifetime Replacement Warranty: Covered against manufacturing and structural defects for lasting peace of mind.

Note: Fits 2015-2026 F-150 4WD models equipped with a 2-5 inch lowering kit only. Does not fit models equipped with rear auto-adjusting headlight sensors.

About Rough Country: Rough Country designs and manufactures suspension lift kits, leveling kits, and related accessories for trucks and SUVs. The brand focuses on accessible, bolt-on solutions that let owners modify their vehicles without requiring specialized shop equipment, and backs its product line with a Limited Lifetime Replacement Warranty.


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Product Specifications & Vehicle Fitment

Review the product details and confirm compatibility with your vehicle before ordering.

Product specifications and vehicle fitment for Rough Country F-150 4WD Rear Sway Bar Kit - 2-5in Lowering Kit (2015-2026)
Specification Details
Vehicle Trim King Ranch, Lariat, Limited, Platinum, STX, XL, XLT
Vehicle Fitment 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026
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