JKS1666 JKS MANUFACTURING Jl Jk Rear Upper Control Arms Jeep

Review JKS MANUFACTURING For Jeep Jl/jk Rear Adjustable Upper Control Arms for JEEP 2018–2020

Introducing the JKS JK1666 Rear Upper Control Arms, a top-tier upgrade solution for your 18-20 Jeep JL/JK. These control arms are meticulously engineered to enhance the performance, durability, and off-road capabilities of your Jeep.

The JKS JK1666 Rear Upper Control Arms are manufactured from high-strength, heat-treated chromoly steel, offering superior rigidity and resistance to bending and breaking when compared to the factory plastic control arms. This upgrade not only improves the overall handling and stability of your Jeep but also enables it to tackle more challenging off-road terrains.

These control arms feature a precision-engineered, press-fit ball joint design, ensuring a perfect fit and smooth operation. The ball joints are reinforced with an additional gusset for added strength and durability. Moreover, the JKS JK1666 arms come with zinc-coated pivot pins, which provide excellent corrosion resistance and prolong the life of the control arms.

Installation of the JKS JK1666 Rear Upper Control Arms is a breeze, as they are designed to be a direct replacement for the factory parts. The included instructions and hardware make the installation process hassle-free for most Jeep enthusiasts. Additionally, these control arms are compatible with factory and aftermarket track bars, making them a versatile upgrade for various Jeep configurations.

Upgrading your Jeep's rear upper control arms with the JKS JK1666 arms is a worthwhile investment for those seeking improved performance, durability, and off-road capabilities. Experience the difference in handling and confidence on the trail with these top-tier control arms.

Pros and Cons of Buying JKS JK1666 Rear Upper Control Arms for 18-20 Jeep JL/JK

JKS Manufacturing is a renowned name in the Jeep aftermarket industry, and their JK1666 Rear Upper Control Arms are a popular choice for Jeep Wrangler JL and JK owners seeking improved suspension performance and durability. Here's a balanced analysis of the potential advantages and disadvantages of purchasing these control arms.

1. Enhanced articulation: JKS control arms are designed to provide increased articulation, allowing your Jeep to conquer more challenging off-road terrains.

2. Improved suspension geometry: These control arms help maintain proper suspension geometry, ensuring better stability and handling on the road.

3. High-strength materials: JKS control arms are made from high-strength materials like chromoly steel, ensuring the utmost durability and longevity.

4. Adjustable length: The JK1666 control arms are available in various lengths to cater to different lift heights, providing customizability for owners.

5. Easy installation: The design of the JKS control arms makes installation relatively straightforward, with most users reporting that they can be installed in a few hours.

1. Cost: Compared to OEM control arms, JKS control arms can be quite expensive. This is a common drawback for many aftermarket parts.

2. Potential need for additional modifications: Depending on the specific Jeep model and lift height, some users may need to make additional modifications to install these control arms.

3. Requires alignment after installation: Some users have reported the need for alignment adjustments after installing new control arms.

The JKS JK1666 Rear Upper Control Arms offer numerous benefits, including enhanced articulation, improved suspension geometry, high-strength materials, adjustable length, and ease of installation. However, the primary drawbacks are the cost and potential need for additional modifications. Ultimately, the decision to purchase these control arms depends on your budget, desired off-road capabilities, and installation expertise.

If you're an avid off-roader seeking improved suspension performance and durability for your 18-20 Jeep JL/JK, the JKS JK1666 Rear Upper Control Arms are a solid investment. However, if you're on a tight budget or prefer a more straightforward upgrade, you may want to consider alternative options. Prospective buyers should carefully evaluate their needs and research alternative control arms to make an informed decision.

Details:

At the axle mount, j-flex arms feature premium OE rubber bushings to absorb noise and reduce vibrations for a comfortable, quiet ride maintenance-free operation. As with all Jks control arms, these j-flex lower arms come finished in a durable gloss black powder coat finish and are backed by Jks limited lifetime warranty. Features: type - other. Sold in pairs.

Jks JKS1666 for 18-20 Jeep jl/jk rear adjustable upper control arms: your wrangler jl and gladiator jet will benefit from j-flex adjustable rear upper control arms. At the frame-side mount, j-flex arms incorporate a unique hex-shaped threaded bung for easy adjustment of forged flex end and 1-1/4 -12 threads jam nut flex design allows 30-degrees misalignment 15 in either direction impressive articulation are grease able to ensure long bushing life. When the time comes, Jks flex ends are rebuild able. They adjust for proper geometry while increasing driving comfort on the road.

specifications liftkitsparts:

• for makes: Jeep
• for years: 2018–2020
• brand: Jks Manufacturing
• mpn: Jks1666
• part type: Control Arm
• california prop 65 warning: Cancer And Reproductive Harm.
• country of origin: Usa
• upc: 814897012561

payments liftkitsparts:

• other
• wallet: apple-pay
• credit card: mastercard

offer liftkitsparts:

• sold #: 7
• availability: in stock
• started: april 27, 2026
• options: ship-to-home
• prices: $298.56–$368.45
• item condition: New
• in stock #: 5

returns liftkitsparts:

• paid by: seller
• time: 30 days
• policy: returns accepted

general liftkitsparts:

• category: Auto Parts > Chassis, Suspension Brakes > Lift Kits

seller liftkitsparts:

• city: USA
• # reviews: 8083
• rating: 99.9%

shipping liftkitsparts:

• service: standard
• class: standard
• transit: 2-4 days
• type: fixed