Rancho Adjustable Suspension Control Arm Kit (FRONT LOWER)

2018–2023 Jeep Wrangler / 2020–2023 Jeep Gladiator

RS66165B

Overview:

The Rancho Adjustable Suspension Control Arm Kit (Front Lower) is engineered to enhance the ride quality and suspension performance of Jeep Wrangler JL models from 2018 to 2023 and Jeep Gladiator JT models from 2020 to 2023. Designed for both stock and lifted vehicles up to 4.5 inches, this kit provides precise control over suspension geometry, improving handling and comfort on and off the road. Ideal for Jeep enthusiasts seeking a durable, maintenance-free upgrade that accommodates larger tires and reduces noise, vibration, and harshness.

With Rancho’s reputation for rugged, high-quality suspension components, this adjustable control arm kit offers a reliable solution for drivers who demand improved suspension articulation and alignment adjustability without compromising durability.

Key Features:

This suspension control arm kit combines advanced materials and innovative design to deliver superior performance and longevity:

• Adjustable Design: Allows fine-tuning of caster and pinion angles to optimize suspension geometry for lifted or stock Jeep Wrangler and Gladiator models.
• Maintenance-Free Bushings: Features Rancho’s proprietary D2 bushings with a PTFE liner that provides self-centering, grease-free operation, reducing noise, vibration, and harshness.
• Heavy-Duty Construction: Built with 1.25-inch outer diameter upper arms made from 0.188-inch DOM wall tubing and forged ends for enhanced strength and durability.
• Corrosion Resistant Finish: Durable black powder-coat protects against rust and corrosion, ensuring long-lasting performance in harsh environments.
• Preassembled for Easy Installation: Includes two fully assembled control arms to simplify the upgrade process and reduce installation time.
• Compatible with Larger Tires: Engineered to accommodate bigger wheels and tires commonly used on lifted Jeep Wranglers and Gladiators.
• Limited Lifetime Warranty: Backed by Rancho’s confidence in quality and durability.

Construction & Design:

The Rancho Adjustable Suspension Control Arm Kit is crafted from heavy-duty 0.188-inch DOM (Drawn Over Mandrel) steel tubing, providing superior strength and resistance to bending or fatigue under demanding off-road conditions. The 1.25-inch outer diameter arms feature forged ends for added durability at critical stress points. Rancho’s D2 bushings incorporate a PTFE liner that acts as a built-in lubricant, eliminating the need for regular greasing and ensuring smooth articulation over the life of the component. The entire assembly is finished with a robust black powder coat that protects against corrosion, extending the lifespan of the control arms even in wet or salty environments.

Installation & Fitment:

Designed specifically for Jeep Wrangler JL models from 2018 through 2023 and Jeep Gladiator JT models from 2020 through 2023, this kit fits both stock and lifted vehicles with up to 4.5 inches of suspension lift. Installation is straightforward thanks to the preassembled control arms, which reduce setup time and complexity. No major modifications are required, making it an ideal upgrade for enthusiasts looking to improve suspension geometry and ride quality without extensive fabrication.

What's Included:

• Two preassembled front lower adjustable suspension control arms
• Rancho D2 maintenance-free bushings installed
• Hardware and instructions for installation

Ideal For:

This control arm kit is perfect for Jeep Wrangler and Gladiator owners who want to improve suspension performance, especially those with lifted vehicles up to 4.5 inches. It suits off-road enthusiasts seeking enhanced articulation and alignment adjustability, as well as daily drivers who desire a smoother, quieter ride with reduced vibration and harshness. Additionally, it supports larger tire setups, making it a versatile upgrade for a wide range of Jeep builds.

Rancho is a performance suspension and shock brand for trucks, SUVs, and Jeeps, offering shocks/struts, steering stabilizers, leveling kits, and lift systems built for trail and daily use. Their products are aimed at improving control and stability on rough terrain while maintaining everyday drivability—ideal for rigs that tow, haul, and still see dirt on the weekends.