JKS Manufacturing JKS1666 Adjustable J-Flex Rear Upper Control Arms for 2018-2021 Jeep Wrangler JL/JK

JKS Manufacturing 18-21 Jeep Wrangler JL/JK Adjustable J-Flex Upper Control Arms - Rear

Upgrade the rear suspension of your 2018-2021 Jeep Wrangler JL/JK with JKS Manufacturing JKS1666 Adjustable J-Flex Upper Control Arms. Designed for off-road performance and improved suspension geometry, these rear upper control arms provide a strong, adjustable connection between the axle and chassis. They are engineered to support lifted Wrangler applications while helping maintain proper suspension alignment and articulation.
JKS Manufacturing JKS1666 control arms are built for demanding trail use and feature the J-Flex design for increased suspension movement without sacrificing durability. The adjustable construction allows fine-tuning of the rear suspension, helping optimize pinion angle and overall handling after lift installation or other suspension modifications. Their robust design is suited for drivers who need dependable performance on both rugged trails and paved roads.
These rear upper control arms are designed as a direct-fit upgrade for compatible 2018, 2019, 2020, and 2021 Jeep Wrangler JL/JK models. Installation should be completed using appropriate automotive tools and professional procedures, followed by a thorough inspection of suspension fasteners and alignment. Verify vehicle application and suspension configuration before ordering. This product may expose you to chemicals known to the State of California to cause cancer or reproductive harm.

Features:

• Adjustable rear upper control arms designed for 2018-2021 Jeep Wrangler JL/JK models

• J-Flex design supports enhanced rear suspension articulation

• Helps optimize rear suspension geometry and pinion angle on lifted vehicles

• Heavy-duty construction for off-road and trail applications

• Direct-fit replacement and upgrade from JKS Manufacturing

• Part Number: JKS1666

Compatible With
2018 Jeep Wrangler
2019 Jeep Wrangler
2020 Jeep Wrangler
2021 Jeep Wrangler
2022 Jeep Wrangler
2023 Jeep Wrangler
2024 Jeep Wrangler
2025 Jeep Wrangler
2026 Jeep Wrangler