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Adjustable Rear Upper Control Arms (JKS1665) FITS 07-18 Jeep Wrangler JK

Adjustable Rear Upper Control Arms (JKS1665) FITS 07-18 Jeep Wrangler JK

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Product Title: Adjustable Rear Upper Control Arms (JKS1665) FITS 07-18 Jeep Wrangler JK | Brand: JKS | Model: JKS1665 | Retail: $489.17 | Item Weight: 13.9 lbs | Product Dimensions: 25.5"x 7.1"x 7.1" | Item Model Number: JKS1665 | Manufacturer Number: JKS1665 | OEM Part Number: JKS1665 | View Instructions: Click Here | CALIFORNIA RESIDENTS: California Proposition 65|

Product Description

Enhance your Wrangler JK Jeep’s off-road prowess and reliability with JKS J-Flex adjustable rear upper control arms. CNC-bent from stout DOM tubing, the fully adjustable design allows you to fine-tune suspension geometry. The ends are also fully rebuildable and greaseable. With heavy duty 1-1/4"-12 threads and hex shaped weld-in bungs, tightening of the included jam nuts is super easy and secure. At the non-adjustable end, factory style rubber bushings provide quiet, maintenance-free operation. Arms are powder-coated for a long-lasting finish. Sold in pairs.


  • Adjustable arm design utilizing a forged adjustable flex end and jam nut.
  • Forged end is fully rebuildable and greaseable.
  • 1"-14 threads provide ultimate strength and fine-tune adjustability.
  • Factory style rubber bushings at the non-adjustable ends for quite, maintenance-free operation.
  • CNC formed for proper tire, frame and axle mount clearance.


  • Suggested Starting Length - 17.63"
    Min. Adjusted Length - 17.375"
    Max Adjusted Length - 19"
    *See Instructions for further details.

  • Compatible with 0 to 6.0 in. suspension lift and OE attachment points.


Make Model Years
Jeep Wrangler JK

Emissions : Emission verification to be determined in ACES Life Cycle Status: Available To Order vehicle application data.