JKS Manufacturing · New
JKS Manufacturing Jeep Wrangler JK Adjustable J-Flex Upper Control Arms - Front
MPN JKS1615 · Store SKU jksJKS1615
Supplier stock checked 11/7/2026, 6:28:03 AM UTC. Adding a part does not reserve it.
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Shipping & returns ↗This policy does not limit rights required by law.Free standard shipping on eligible parts orders of $100 or more. Oversized and freight items excluded. Fitment, taxes, availability and final totals are confirmed before payment.
Product details
Upgrade your JK Wrangler's off-road capability with JKS J-Flex adjustable front upper Control Arms. CNC-bent from DOM tubing for proper tire, frame and axle mount clearance, J-Flex control arms feature forged "flex" ends that are adjustable. The design increases reliability and allows you to fine tune suspension geometry. The ends are also fully rebuildable and greaseable. With heavy duty 1"-14 threads and hex shaped weld-in threaded bung, tightening of the included jam nuts is super easy and secure. At the non-adjustable end, the mount is boxed for increased strength. Arms are powder-coated for a long-lasting finish. Sold in pairs. Shop JKS Adjustable front upper control arms for Jeep Wrangler JK. Heavy-duty DOM tubing with forged flex joints to fine-tune caster and suspension geometry. 2007-2018 Jeep Wrangler (JK) Front Adjustable UCA
Manufacturer fitment & guides
Check JKS1615 against the manufacturer’s application information below.
A manufacturer application guide is not available for this listing. Request the exact application from JuiceBuilt before payment.
Part-specific notes
- California Proposition 65: Y
